Among the companies whose shares are expected to see active trading in Tuesday's session are Agilent Technologies Inc., Home Depot Inc., and Wal-Mart Stores Inc.

Agilent (A) is expected to report third-quarter earnings of 49 cents a share, according to a survey of analysts by Thomson Financial.

Applied Materials Inc. (AMAT) is expected to post earnings of 32 cents a share for the third quarter.

Embraer (ERJ) is expected to report second-quarter earnings of 51 cents per American Depositary Share.

Harman International Industries Inc. (HAR) is expected to post earnings of $1.22 a share for the fourth quarter.

Home Depot (HD) is expected to report second-quarter earnings of 72 cents a share.

Impac Mortgage Holdings Inc. (IMH) is expected to post a loss of 11 cents a share for the second quarter.

Kaiser Aluminum Corp. (KALU) is expected to report second-quarter earnings of 81 cents a share.

TJX Cos. (TJX) is expected to post earnings of 37 cents a share for the second quarter.

UBS AG (UBS) is expected to report second-quarter earnings of $1.39 a share.

Wal-Mart (WMT) is expected to post earnings of 76 cents a share for the second quarter.

After Monday's closing bell, CME Group (CME), the parent of the Chicago Mercantile Exchange, said it will cut 380 jobs and combine floor trading to a single site by March as part of its merger with the Chicago Board of Trade.

Also, Classmates Media Corp., a subsidiary of United Online Inc. (UNTD), intends to raise up to $125 million via an initial public offering of its stock, according to a filing with the Securities and Exchange Commission.

Watch List

Alexza Pharmaceuticals Inc. (ALXA) after Monday's closing bell reported that its second-quarter net loss narrowed to $10.3 million, or 36 cents a share, from a year-ago net loss of $10.6 million, or 45 cents a share. The Palo Alto, Calif.-based company reported no revenue in the period ended June 30, versus $539,000 in the comparable period last year, as operating expenses rose to $14.2 million from $11.7 million a year ago.

American Railcar Industries Inc. (ARII) reported second-quarter net earnings of $11 million, or 52 cents a share, up 2 percent from $10.8 million, or 51 cents a share, during the year-ago period. Earnings before interest, taxes, depreciation and amortization were $22.2 million versus $19.4 million last year. The St. Charles, Mo.-based company said total revenue for the three months ended June 30 rose to $209 million from $151.6 million.

Bob Evans Farms Inc. (BOBE) reported first-quarter net earnings of $13.3 million, or 38 cents a share, up 1.8 percent from $13.1 million, or 36 cents a share, during the year-ago period. The Columbus, Ohio-based restaurant operator said revenue for the three months ended July 27 rose 5.3 percent to $424.6 million from $403.4 million.

China BAK Battery Inc. (CBAK) said has signed a non-binding letter of intent with Hewlett-Packard Co. (HPQ) to work to reach a definitive agreement for BAK to supply lithium ion battery cells to H-P. Shenzen, China-based BAK said it has held "extensive business discussions" with H-P since September of 2006. BAK added that it has agreed, subject to the completion of negotiations and the execution of definitive documentation, to allocate at least 50 percent of its monthly cylindrical lithium ion battery cell manufacturing capacity to H-P or H-P's designated battery pack manufacturers.

China TechFaith Wireless Communication Technology Ltd. (CNTF) swung to a second-quarter net loss of $4.65 million, or 11 cents per American depositary share, from a year-earlier profit of $3.07 million, or 7 cents per share. Results in the recent period included a net restructuring charge of 2 cents per ADS. The net loss per ordinary share in the recent period was 1 cent a share, compared with year-earlier net earnings of less than 1 cent per ordinary share. The Beijing mobile handset designer's revenue grew 48 percent to $32 million from $21.6 million a year earlier.

Cinemark Holdings Inc.'s (CNK) second-quarter earnings more than tripled, which the company attributed to the strength of a few summer blockbusters, the performance of international theaters and the integration of Century Theatres Inc., which it bought in October. The Plano, Texas, movie theater chain had second-quarter earnings of $47.9 million, or 45 cents a share, compared with $13.1 million, or 15 cents a share, a year earlier.

DeVry Inc.'s (DV) fiscal fourth-quarter earnings rose 35 percent to $15.9 million, or 22 cents a share, from $11.8 million, or 17 cents a share, a year earlier on a gain on the sale of its Tinley Park excess land. Excluding the gain, severance charges and other items, earnings were 26 cents a share for the most recent period, the Oakbrook Terrace, Ill., higher-education company said. Revenue for the quarter ended June 30 increased 8.5 percent to $232.8 million from $214.7 million a year ago.

Dow Jones & Co. (DJ) advertising revenue at The Wall Street Journal fell 7.2 percent in July on a 20.9 percent decrease in advertising volume. The New York media company, publisher of this report, said technology advertising fell 75.4 percent at its flagship newspaper, while general advertising fell 5.9 percent. Classified advertising fell 13.5 percent, while financial advertising rose 21 percent.

DTE Energy Co. (DTE) said it swung to a second-quarter net profit of $385 million, or $2.20 a share, from a year-ago net loss of $33 million, or 19 cents a share. The company said earnings increased primarily due to the sale of its Antrim Shale gas exploration and production business and increased non-utility earnings. The Detroit-based utility company said revenue for the three months ended June 30 rose 3.1 percent to $1.95 billion from $1.9 billion in the comparable period last year.

Hibbett Sports Inc. (HIBB) said it now expects second-quarter per-share earnings of 14 cents to 17 cents, down from its previous outlook of 20 cents to 24 cents. The Birmingham, Ala.-based sporting goods retailer also said it now sees same-store sales down 5.6 percent for the quarter, versus its previous forecast for comparable store sales growth of flat to up 2 percent.

Jamba Inc.'s (JMBA) fiscal second-quarter revenue rose 14 percent to $89.6 million from $78.5 million in the year-ago period. Same-store sales for the San Francisco-based operator of the Jamba Juice chain fell 3.3 percent in the period ended July 24.

Netease.com Inc.'s (NTES) second-quarter net income fell slightly to $41.1 million from $41.3 million a year earlier. On a per-share basis, income fell to 31 cents per American depositary share from 29 cents per ADS a year earlier. There were 141.5 million average ADS outstanding in the most recent period, compared with 136.4 million a year earlier. The Beijing-based online services company's revenue fell 4 percent to $72.9 million from $75.6 million in the year-ago period.

Orbitz Worldwide Inc. (OWW) reported a second-quarter net loss of $32 million, compared with a net loss of $116 million, during the year-ago period. The Chicago-based online travel company said revenue for the three months ended June 30 rose to $229 million from $207 million.

Pride International Inc. (PDE) said it has signed a memorandum of agreement to sell its fleet of three self-erecting, tender-assist rigs for $213 million in cash to Ferncliff TIH AS of Norway. The deal is expected to close by January 2008, subject to certain closing conditions, Houston-based Pride said.

Regeneron Pharmaceuticals Inc. (REGN) said it has received a $20 million milestone payment from Bayer HealthCare following dosing of the first patient in the Phase III study of the VEGF Trap-Eye in the neovascular form of age-related macular degeneration. The study is expected to enroll roughly 1,200 patients in more than 200 centers in the United States and Canada.

STEC Inc. (STEC) reported second-quarter net earnings of $1.37 million, or 3 cents a share, down from $4.52 million, or 10 cents a share, during the year-ago period. Excluding certain items, the company earned 5 cents a share versus 9 cents a share lat year. The Santa Ana, Calif.-based computer memory maker said revenue for the three months ended June 30 fell to $43.7 million from $47.3 million.

Switch and Data Facilities Co. (SDXC) reported it swung to a second-quarter net profit of $1.96 million, or 6 cents a share, from a net loss of $6.8 million, or 6 cents a share, during the year-ago period. There were 34.1 million shares outstanding during the quarter compared with 107.5 million a year ago. Adjusted earnings before interest, taxes, depreciation and amortization were $9.8 million vs. $7.8 million. The Tampa, Fla.-based provider of Internet exchange and colocation services said revenue for the three months ended June 30 rose to $33.3 million from $27.3 million.

Venoco Inc. (VQ) swung to a second-quarter loss of $3.12 million, or 7 cents a share, from a profit of $324,000, or a penny a share, a year earlier, as expenses increased and the company faced commodity derivative losses. The Denver oil and gas exploration company said revenue rose 26 percent to $82.2 million from $65.6 million a year ago.