Among the companies whose shares are expected to see active trading on Friday are Google Inc., Pfizer Inc., McDonald's Corp., Advanced Micro Devices Inc. and Xerox Corp.

Caterpillar Inc. (CAT) is expected to report first-quarter earnings of $1.09 a share, according to analysts polled by Thomson Financial.

Honeywell (HON) is seen posting a per-share profit of 62 cents in its first quarter.

Manpower's (MAN) first-quarter per-share profit is expected to be 61 cents.

McDonald's Corp. (MCD) is seen posting per-share earnings of 62 cents in its first quarter.

SAP AG (SAP) is expected to post a net profit of 26 cents a share in its first quarter.

Schlumberger's (SLB) first-quarter earnings are expected to come in at 91 cents a share.

Sonoco Products (SON) is seen posting a first-quarter per-share profit of 49 cents.

Wilmington Trust's (WL) first-quarter results are expected to show a per-share profit of 67 cents.

Xerox Corp. (XRX) is expected to report earnings of 20 cents a share in its first quarter.

After Thursday's closing bell, Google Inc. (GOOG) reported first-quarter profit jumped 69 percent as it expanded its lead in the global market for Web-search advertising.

Advanced Micro Devices Inc. (AMD) , stung by weaker prices for its PC and server chips, said late it swung to a loss from a year ago amid softer sales of its microprocessors.

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Aeroflex Inc. (ARXX) received a conditional acquisition proposal from Veritas Capital for a leveraged recapitalization in which stockholders would receive a cash dividend of $14 and retain 21.2 percent of the fully diluted common equity.

American Express Co. (AXP) reported a 21 percent increase in first-quarter profit late Thursday as customers spent more and ran up bigger credit card debts.

Armor Holdings Inc. (AH) reported first-quarter net earnings of $36 million, or 94 cents a share, down from $41.4 million, or $1.11 a share, in the year-ago period. Excluding a long-term performance-based compensation charge, profit came in at $50 million, or $1.31 a share, the company said.

Capital One Financial Corp.'s (COF) first-quarter profit fell 24 percent to $675.1 million, or $1.62 a share, from $883.3 million, or $2.86 a share, hampered by a 23 percent decline in its national-lending segment and higher expenses. The McLean, Va., bank and credit card holding company said Thursday that net interest revenue climbed to $1.62 billion from $1.21 billion. Noninterest income declined to $1.81 billion from $1.86 billion. Analysts polled by Thomson Financial, on average, expected earnings of $1.98 a share on revenue of $4.1 billion.

Cerner Corp. (CERN) said first-quarter net income grew nearly 37 percent to $27.6 million, or 33 cents a share, from a year-earlier profit of $20.1 million, or 25 cents a share. The Kansas City, Mo., health-care information technology company's revenue increased 14 percent to $365.9 million, from $321.2 million a year earlier. Excluding stock compensation, income grew to $29.9 million, or 36 cents a share, up from year-earlier income of $23 million, or 28 cents a share.

Cytec Industries Inc. (CYT) reported first-quarter net earnings of $51.7 million, or $1.05 a share, up from $38.1 million, or 79 cents a share, in the year-ago period. Excluding special items, profit for the 2007 first quarter came in at $37.3 million, or 76 cents a share. The West Paterson, N.J.-based chemical company said revenue in the three months ended March 31 rose to $863.6 million from $819.4 million in the same period last year.

First Data Corp. (FDC) said first-quarter net income came in at $175.2 million, or 23 cents a share, down 59 percent from a year earlier, when the payment processing company made $430.1 million, or 55 cents a share. Consolidated revenue rose 12 percent to $1.8 billion, the company added. A year ago, First Data's net income was buoyed by profit from its Western Union money transfer business. The company has since spun the unit off.

Gap Inc. (GPS) picked veteran Gary Muto, fresh from the failure of the company's Forth & Towne concept, to lead the company's most important segment, Gap adult.

Hub Group Inc.'s (HUBG) first-quarter net income grew 25 percent to $11.4 million, or 29 cents a share, from a year-earlier profit of $9.13 million, or 22 cents a share. The 2006 period including earnings from discontinued operations of $657,000, or 1 cent a share. The Lombard, Ill., transportation management company's revenue increased 10 percent to $393.3 million, from $356.8 million a year earlier.

Intuit Inc. (INTU) reaffirmed its financial outlook for the third and fourth quarters and fiscal 2007, and provided final season-to-date unit sales for its fiscal year 2007 consumer tax products and services. Through April 18, total TurboTax federal unit sales increased 5 percent over the same period last year, the company said.

Intuitive Surgical Inc. (ISRG) said first-quarter profit rose 65 percent to $23.8 million, or 62 cents a share, from $14.5 million, or 38 cents a share, a year earlier, boosted by recurring revenue growth and sales of its Da Vinci Surgical System. The Sunnyvale, Calif., medical-equipment maker said Thursday that revenue rose 48 percent to $114.2 million from $77.3 million.

Knoll Inc. (KNL) said first-quarter net income climbed 45 percent to $14.8 million, or 30 cents a share, from $10.3 million, or 19 cents a share, a year earlier. Excluding items, earnings were 30 cents a share, up from 20 cents a year ago. Sales increased 14 percent to $247.9 million from $218.1 million a year ago.

Leggett & Platt Inc. (LEG) reported first-quarter net income of $75.7 million, or 41 cents a share, up from $62.1 million, or 33 cents, a year ago. The results include a 7-cent per-share gain from discontinued foam cushioning operations. Less the one-time gain, earnings were 33 cents a share. Revenue for the quarter ended March 31 fell 2.2 percent to $1.29 billion from $1.32 billion.

Mohawk Industries Inc. (MHK) first-quarter net income rose 14 percent to $90.4 million, or $1.32 a share, from $79.1 million, or $1.16 a share, a year earlier. The Calhoun, Ga., manufacturing company said net sales fell 3.2 percent to $1.86 billion from $1.93 billion a year ago.

Molex Inc. (MOLX) said profit for the first three months of the year increased 7 percent to $65.3 million, or 35 cents a share, from $61 million, or 33 cents a share, in the year-ago quarter. The electrical components maker said revenues for its fiscal third quarter increased 12 percent to $807 million.

Oakley Inc. (OO) reported first-quarter net earnings of $5.7 million, or 8 cents a share, compared with last year's profit of $1.9 million, or 3 cents a share. The Foothill Ranch, Calif.-based company said sales climbed to $199.2 million from $151.7 million a year ago.

Packeteer Inc. (PKTR) swung first-quarter loss to $6.09 million, or 17 cents a share, from a year-ago profit of $4.51 million, or 13 cents a share. Excluding stock-based compensation and other items, the company posted a loss of $3.13 million, or 9 cents a share, from earnings of $7.23 million, or 20 cents a share, a year earlier. Quarterly revenue rose 7.4 percent to $34.7 million from $32.3 million a year ago.

Robert Half International Inc.'s (RHI) first-quarter net income rose to $70.7 million, or 42 cents a share, from $65.5 million, or 38 cents a share, a year earlier, boosted in part by strength in its Robert Half Finance & Accounting business.

Saks Inc. (SKS) said Chairman R. Brad Martin will retire from the board as of May 4. The New York retailer's board named Chief Executive Stephen L. Sadove as chairman.

Siemens AG (SI) said Heinrich von Pierer, chairman of the German technology and industrial conglomerate's supervisory board, will step down April 25 in the wake of a multinational probe into possible bribery.

Sirf Technology Holdings Ltd. (SIRF) reported a fiscal first-quarter profit of $2.8 million, or 5 cents a share, on revenue of $67.3 million, compared with a loss of $11 million, or 22 cents a share, on $52.7 million in revenue a year ago. Excluding charges and one-time items, Sirf would have earned $12 million, or 21 cents a share.

Taubman Centers Inc. (TCO) said first-quarter net income climbed to $14.1 million, or 19 cents a share, from $11.4 million, or 10 cents a share. Analysts polled by Thomson Financial, on average, expected earnings of 10 cents a share.

Thornburg Mortgage Inc. (TMA) reported first-quarter net income of $75 million, up 4 percent from $72.4 million in the same quarter last year. Net earnings available to common shareholders came in at $70.16 million, or 62 cents a share, up slightly from $70.07 million, or 66 cents a share, in the year-ago period. Analysts polled by Thomson Financial were expecting, on average, a per-share profit of 57 cents.

UnionBanCal Corp.'s (UB) said first-quarter net income fell about 14 percent to $149.6 million, or $1.07 a share, from $172.9 million, or $1.18 a share, a year earlier. The bank holding company said Thursday revenue decreased 4.5 percent to $653.2 million from $684.3 million a year ago, as net interest income fell 7.66 percent to $430.6 million.

Zhone Technologies Inc. (ZHNE) reported a first-quarter net loss of $4.79 million, or 3 cents a share, compared with a net loss of $3.9 million, or 3 cents a share, in the year-ago period. The Oakland, Calif.-based provider of communications equipment said revenue in the three months ended March 31 fell to $43.1 million from $52.7 million.

Zions Bancorp. (ZION) said first-quarter earnings rose to $153.3 million, or $1.36 a share, from $137.6 million, or $1.28 a share, a year earlier. Analysts polled by Thomson Financial expected earnings of $1.42 a share. Zions said net interest income for the quarter reached $457.1 million, up from $422.8 million in the prior year.

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