Among the companies whose shares are expected to see active trading in Friday's session are Chevron Corp., Amgen Inc., and Gap Inc.

Baker Hughes Inc. (BHI) is expected to report second-quarter earnings of $1.09 a share, according to a survey of analysts by Thomson Financial.

Celanese Corp. (CE) is expected to post earnings of 83 cents a share for the second quarter.

Chevron (CVX) is expected to report second-quarter earnings of $2.30 a share.

Clear Channel Communications (CCU) is expected to post earnings of 44 cents a share for the second quarter.

Constellation Energy Group Inc. (CEG) is expected to report second-quarter earnings of 74 cents a share.

Fortune Brands Inc. (FO) is expected to post earnings of $1.44 a share for the second quarter.

Ingersoll-Rand Co. (IR) is expected to report second-quarter earnings of 95 cents a share.

ITT Corp. (ITT) is expected to post earnings of 90 cents a share for the second quarter.

Kimco Realty Corp. (KIM) is expected to report second-quarter earnings of 35 cents a share.

Medco Health Solutions Inc. (MHS) is expected to post earnings of 78 cents a share for the second quarter.

After Thursday's closing bell, Gap (GPS) said it chose a veteran food and drug retailer as its chairman and chief executive, ending a seven-month search. See full story.

Also, Amgen (AMGN) said its second-quarter adjusted income inched up as the company struggled to compensate for a drop in sales of Aranesp and some of its other anemia drugs.

And, Bear Stearns Cos. (BSC) said it seized assets from its High-Grade Structured Credit Strategies Fund after the hedge fund suffered huge losses in mortgage-backed securities and structured-finance markets.

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Allegheny Energy (AYE) posted a second-quarter profit of $77 million, or 45 cents a share, up from $31.1 million, or 18 cents a share, a year ago, due to higher prices and cost cutting. Operating revenue rose to $826.5 million from $722.2 million a year earlier.

ArthroCare Corp.'s (ARTC) second-quarter net income climbed 35 percent to $10.4 million, or 37 cents a share, from $7.7 million, or 28 cents a share, a year earlier, due to growth in its spine and sports medicine units. The Austin, Texas, medical device company said revenue increased 16 percent to $79.5 million from $66 million.

Aspen Insurance Holdings (AHL) reported second-quarter net earnings of $114.7 million, or $1.19 a share, up 13 percent from net earnings of $101.8 million, or $1.01 a share, during the year-ago period. The Bermuda-based insurer said net written premiums in the three months ended June 30 fell to $418.5 from $500.1 million in the comparable period last year.

Celanese Corp. (CE) said it swung to a second-quarter net loss of $117 million, or 76 cents a share form a year-ago net profit of $103 million, or 60 cents a share. The Dallas-based chemicals company said revenue in the three months ended June 30 rose 7% to $1.56 billion from $1.46 billion in the comparable period last year.

Celestica Inc. (CLS) said it swung to a second-quarter net profit of $24.9 million, or 11 cents a share, from a year-ago net loss of $30.3 million, or 13 cents a share. The Toronto-based provider of electronics manufacturing services said revenue in the period ended June 30 fell 13 percent to $1.94 billion from $2.22 billion in the second quarter of 2006.

Cisco Systems Inc.'s (CSCO) board authorized up to $5 billion in additional repurchases of its stock. The San Jose computer-networking company's board previously authorized up to $47 billion in stock buybacks.

Compuware Corp. (CPWR) reported fiscal first-quarter net earnings of $189,000, or breakeven a share, down from $29.3 million, or 8 cents a share, in the year-ago period. The Detroit-based software company said revenue in the three months ended June fell to $279.4 million from $296.3 million in the comparable period last year.

CNet Networks Inc. (CNET) swung to a second-quarter loss, due in part to $2.9 million in costs associated with its stock-option investigation. The San Francisco-based media company had a second-quarter loss of $76,000, or less than 1 cent a share, compared with a profit of $5.16 million, or 3 cents a share, a year earlier. CNet said revenue for the quarter rose 5.2 percent to $97.2 million from $92.4 million a year ago.

Cohu Inc. (COHU) reported second-quarter net earnings of $2.02 million, or 9 cents a share, down 57 percent from $4.72 million, or 21 cents a share, in the year-ago period. The Poway, Calif.-based maker of semiconductor test handling equipment said revenue for the three months ended rose to $66.4 from $61.9 million in the comparable period last year.

Columbia Sportswear Co.'s (COLM) second-quarter net income more than doubled to $10 million, or 27 cents a share, from $4.83 million, or 13 cents a share, a year earlier, as revenue rose 3.3 percent. The Portland, Ore.-based apparel company said revenue rose to $218.6 million from $211.6 million in the year-earlier period.

Crocs Inc.'s (CROX) second-quarter net income sky-rocketed to $48.5 million, or 58 cents a share, from $15.7 million, or 19 cents a share, a year earlier. The Niwot, Colo.-based footwear company said revenue jumped to $224.3 million from $85.6 million a year ago. The company's strong quarter was due to "robust demand for our expanded footwear collection" in the U.S., Canada and Europe.

Curtiss-Wright Corp. (CW) reported second-quarter net earnings of $21.4 million, or 48 cents a share, up from $21.1 million, or 48 cents a share, in the year-ago period. The Roseland, N.J.-based maker of flow control and motion control products said revenue in the three months ended June 30 rose 18 percent to $365.6 million from $309.6 million in the same period last year.

Cymer Inc.'s (CYMI) second-quarter net income rose 10 percent to $24.9 million, or 67 cents a share, from $22.6 million, or 55 cents a share, a year earlier, as the company cut costs 13 percent. The San Diego laser-light maker for the semiconductor industry's revenue fell 9.2 percent to $122.9 million from $135.4 million in the year-ago period.

Eastman Chemical Co. (EMN) said net income in the second quarter fell to $105 million, or $1.22 a share, from $114 million, or $1.37 a share, in the year-earlier quarter. Excluding $16 million in depreciation costs and asset impairment charges, the chemical maker said profits would have totaled $1.34 a share. Sales fell 1.8 percent to $1.9 billion.

Embarq Corp. (EQ) reported second-quarter net earnings of $176 million, or $1.15 a share, down from $216 million, or $1.44 a share, during the year-ago period. The Overland Park, Kan.-based local phone company said revenue for the three months ended June 30 rose to $1.61 billion from $1.58 billion.

Evergreen Solar Inc.'s (ESLR) second-quarter loss widened slightly to $7.51 million from a year-earlier loss of $7.47 million, as results included a loss of $1.65 million from start-up costs of its second EverQ panel factory. On a per-share basis, the loss narrowed to 9 cents from 11 cents as the number of outstanding shares rose to 82.6 million from 65.8 million. The Marlboro, Mass., maker of solar power products said revenue declined to $15.4 million from $22 million.

FalconStor Software Inc. (FALC) reported second-quarter net earnings of $1.38 million, or 3 cents a share, versus a year ago-net loss of $1.3 million, or 3 cents a share. Revenue for the quarter ended June 30 rose 40 percent to $17.8 million from $12.7 million for the same period a year ago, the Melville, N.Y.-based provider of disk-based data protection products said.

Federated Investors Inc.'s (FII) second-quarter net income grew 11 percent to $55.3 million, or 54 cents a share, from a year-earlier profit of $49.9 million, or 47 cents a share. The Pittsburgh mutual fund manager's revenue grew 17 percent to $276.5 million, from $236.4 million in the year-earlier period, on growth of managed assets.

Flextronics International (FLEX) reported a fiscal first-quarter profit of $107 million, or 17 cents a share, on revenue of $5.16 billion. During the same period a year ago, the electronics contract manufacturer earned $85 million, or 14 cents a share, on $4.06 billion in revenue. Excluding charges and one-time items, Flextronics would have earned $134 million, or 22 cents a share, to beat the estimates of analysts surveyed by Thomson Financial, who forecast a profit of 21 cents a share on $4.9 billion in revenue.

Foundry Networks Inc.'s (FDRY) second-quarter net income nearly quadrupled to $16.4 million, or 11 cents a share, from $4.41 million, or 3 cents a share, a year-earlier, as revenue rose 32 percent. The Santa Clara, Calif., computer hardware company's revenue grew to $143.2 million from $108.4 million in the year-ago period.

Frontier Airlines Holdings Inc. (FRNT) reported it swung to a first-quarter net loss of $3.48 million, or 10 cents a share, from net earnings of $3.96 million, or 10 cents a share, during the year-ago period. The Denver-based carrier said revenue of the three months ended June 30 rose to $344.8 million from $304.8 million.

Genesis Microchip Inc. (GNSS) reported it swung to a first-quarter net loss of $10.7 million, or 29 cents a share, from net earnings of $1.44 million, or 4 cents a share, during the year-ago period. The Santa Clara, Calif.-based maker of microchips used in flat-panel television and monitors said revenue for the three months ended June 30 rose to $44 million from $55.9 million.

Genworth Financial Inc. (GNW) said second-quarter net income came in at $387 million, or 86 cents a share, up 22 percent from a year earlier when the insurer made $317 million, or 68 cents a share. Income from continuing operations was $321 million, or 72 cents a share, the company added.

Hartford Financial Services Group Inc. (HIG) said its second-quarter profit rose 32 percent as investment gains and life sales offset slower growth in property and casualty insurance. Hartford said net income rose to $627 million, or $1.96 a share, up from $476 million, or $1.52 a share. On a core earnings basis per share, Hartford reported $2.39 a share, up from $1.83 a share from the same period last year.

Standard & Poor's said it will add Idex Corp. (IEX) to the S&P MidCap 400 index, replacing Bisys Corp. (BSG) , which is being acquired by Citigroup Inc. (C) . S&P said CyberSource Corp. (CYBS) would replace Idex in the S&P SmallCap 600. S&P will add Synnex Corp. (SNX) to the SmallCap 600. Synnex replaces EGL Inc. (EAGL) , which is being acquired by an Apollo Management LP affiliate. Also, S&P will add Knot Inc. to the SmallCap 600, replacing Aeroflex Inc. (ARXX) , on a date to be announced.

Ingram Micro Inc.'s (IM) second-quarter net income rose 2.6 percent to $52.4 million from $53.8 million a year earlier on sales growth in the Asia-Pacific region. On a per-share basis, earnings fell to 30 cents from 32 cents a share, on a boosted share count. Earnings for the most recent quarter include a charge of $9.2 million, or 5 cents a share. The Santa Ana, Calif., provider of technology products said revenue increased 11 percent to $8.19 billion from $7.4 billion a year ago.

Integrated Device Technology Inc. (IDTI) reported a first-quarter net loss of $1.1 million, or a penny a share, compared with a net loss of $1.56 million, or a penny a share, during the year-ago period. The San Jose, Calif.-based semiconductor company said revenue rose to $199 million from $185.5 million.

Kenneth Cole Productions Inc.'s (KCP) second-quarter earnings fell 49 percent to $3.3 million, or 16 cents a share, from $6.49 million, or 32 cents a share, a year earlier. Revenue fell 12 percent to $118.9 million from $135.2 million.

KLA-Tencor Corp. (KLAC) said its fiscal fourth-quarter profit rose 11 percent on higher sales of its equipment to make computer chips. KLA-Tencor reported net income of $147 million, or 75 cents a share, up from $132 million, or 65 cents a share, a year ago. For the three months ended June 30, the company posted sales of $736 million, up from $579 million a year ago.

Lattice Semiconductor Corp. (LSCC) swung to a second-quarter loss, due in part to noncash amortization charges and restructuring charges. The Hillsboro, Ore., maker of field-programmable gate arrays and logic devices had a second-quarter loss of $1.46 million, or 1 cent a share, compared with earnings of $2.07 million, or 2 cents a share, a year earlier. Lattice said revenue for the quarter fell 5.5 percent to $59.2 million from $62.7 million a year ago.

Lawson Software Inc. (LWSN) swung to a fiscal fourth-quarter net profit of $8.1 million, or 4 cents a share, from a year-earlier loss of $4.78 million, or 3 cents a share. The St. Paul, Minn., company's revenue increased 69 percent, partly on an acquisition, to $212.9 million for the period ended May 31, from $126.1 million a year earlier.

Lithia Motors Inc. (LAD) reported second-quarter net earnings of $7.94 million, or 38 cents a share, down 33 percent from $11.9 million, or 56 cents a share, during the year-ago period. The Medford, Ore.-based operator of automotive dealerships said revenue for the three months ended June 30 rose to $885.1 million from $801.2 million.

Massey Energy Co.'s (MEE) second-quarter net income increased to $34.9 million, or 43 cents a share, from $3.20 million, or 4 cents a share, a year earlier, in part on strong produced coal revenue, a $10.3 million pre-tax gain on a trade of coal reserves and a $6.3 million pre-tax increase in litigation reserves. Revenue for the Richmond, Va., coal company rose 11 percent to $617.8 million for the most recent period from $556.1 million in the year-ago period.

McAfee Inc. (MFE) said its second-quarter profit and sales exceeded expectations, though it cautioned the results are preliminary pending a future restatement due to past stock-option grants. See full story.

McKesson Corp. (MCK) said its fiscal first-quarter profit rose 28 percent, helped by higher sales, margins and an acquisition. The San Francisco-based drug wholesaler reported net income of $235 million, or 77 cents a share, up from $184 million, or 60 cents, in the year-ago period. Revenue climbed to $24.5 billion from $23.3 billion.

Meritage Homes Corp. (MTH) reported it swung to a second-quarter net loss of $56.6 million, or $2.16 a share, from net earnings of $77.1 million, or $2.82 a share, during the year-ago period. The Scottsdale, Ariz.-based home builder said revenue for the three months ended June 30 fell to $568.7 million from $914.7 million.

Mettler Toledo International (MTD) reported second-quarter net earnings of $41 million, or $1.07 a share, up 18 percent from $34.8 million, or 84 cents a share, in the year-ago period. The Columbus, Ohio-based instrument supply company said revenue in the three months ended June 30 rose to $430.5 million from $389.2 million in the comparable period last year.

Microchip Technology Inc.'s (MCHP) fiscal first-quarter net income rose 4.3 percent to $80.3 million, or 36 cents a share, from $77 million, or 35 cents a share. The Chandler, Ariz.-based semiconductor company said revenue for the quarter ended June 30, increased slightly to $264.1 million from $262.6 million a year ago.

Microsemi Corp.'s (MSCC) fiscal third-quarter net income rose to $8.71 million, or 11 cents a share, from a year-earlier profit of $117,000, or less than 1 cent a share, on fewer shares outstanding. The Irvine, Calif., company's net sales increased to $113.6 million from $100.2 million in the year-earlier period ended July 2.

QLogic Corp. (QLGC) reported first-quarter net earnings of $19 million, or 12 cents a share, down 9.9 percent from $21.1 million, or 13 cents a share, during the year-ago period. The Aliso Viejo, Calif.-based maker of storage network infrastructure components said revenue for the three months ended July 1 rose 2 percent to $139.8 million from $136.7 million in the comparable period last year.

Riverbed Technology Inc. (RVBD) said it swung to a second-quarter net profit of $3.95 million, or 5 cents a share, from a year-ago net loss of $6.1 million, or 46 cents a share. The San Francisco-based company, which provides products for wide-area distributed computing, said revenue in the three months ended June 30 rose to $54 million from $18 million in the year-ago quarter.

Roper Industries Inc. (ROP) reported second-quarter net earnings of $61.2 million, or 66 cents a share, up 27 percent from $48.1 million, or 53 cents a share, during the year-ago period. The Sarasota, Fla.-based diversified industrial manufacturer said revenue for the three months ended June 30 rose to $530.6 million from $425.3 million.

Six Flags Inc.'s (SIX) second-quarter loss widened, as a $10.4 million write-off of refinancing costs, higher marketing expenses and in-park costs offset a 3 percent increase in attendance. The New York-based amusement park operator had a second-quarter loss of $45.4 million, or 54 cents a share, compared with a loss of $39.6 million, or 48 cents a share, a year earlier. Six Flags said revenue for the quarter rose 6.1 percent to $344.8 million from $325 million a year ago.

Smurfit-Stone Container Corp.'s (SSCC) second-quarter loss narrowed to $2 million, or 2 cents a share, from $47 million, or 20 cents a share, a year earlier, as revenue rose 5.9 percent. The Chicago company's revenue grew to $1.87 billion from $1.76 billion in the year-ago period.

Ultimate Software Group Inc.'s (ULTI) second-quarter net income increased to $6.4 million, or 23 cents a share, from a year-earlier profit of $2.2 million, or 8 cents a share. Revenue increased 23 percent to nearly $35 million from $28.3 million in the year-earlier period.

Universal Health Services Inc. (UHS) reported second-quarter net earnings of $52.1 million, or 97 cents a share, down 14 percent from $60.3 million, or $1.04 a share, during the year-ago period. The King of Prussia, Pa-based hospital company said revenue for the three months ended June 30 rose to $1.18 billion from $1.05 billion.

Varian Semiconductor Equipment Associates Inc.'s (VSEA) fiscal third-quarter net income fell to $23.4 million, or 29 cents a share, from $24.7 million, or 29 cents a share, a year earlier. Revenue for the Gloucester, Mass., maker of ion implantation systems jumped 55 percent to $288.8 million from $186.2 million in the year-ago period.

Ventana Medical Systems Inc.'s (VMSI) offer from Roche Holding AG (RHHBY) to acquire the company for $75 a share was extended to Aug. 23 at 5 p.m. The tender offer for the Tucson, Ariz., company was originally scheduled to expire at midnight on Thursday.

VeriSign Inc. (VRSN) said that it swung to a net loss in the second quarter because of restructuring charges, while revenue also fell for the period. The Mountain View, Calif.-based network security company reported a net loss of $4.7 million, or 2 cents per share, compared to earnings of $376.8 million, or $1.52 per share, for the same period last year. Revenue slipped 6.3 percent to $363.2 million.

Western Digital Corp.'s (WDC) fiscal fourth-quarter net profit nearly doubled to $233 million, or $1.03 a share, from $120 million, or 53 cents a share, a year earlier. Net income for the most recent period includes a $147 million benefit to income taxes related to deferred tax assets. The Lake Forest, Calif., data storage company's net revenue increased 29 percent to $1.37 billion in the period ended June 29 from $1.09 billion in the year-ago period.