Among the companies whose shares are expected to see active trade in Tuesday's session are Coca-Cola Co., Walt Disney Co., Cisco Systems Inc. and Boston Scientific Corp.

Alcan Inc. (AL) is expected to report fourth-quarter earnings of 56 cents a share, according to analysts polled by Thomson First Call.

Boston Scientific Corp. (BSX) is seen posting a fourth-quarter profit of 42 cents a share.

C.H. Robinson Worldwide Inc.'s (CHRW) fourth-quarter results are expected to show a per-share profit of 31 cents.

Cisco Systems Inc. (CSCO) is expected to post fiscal second-quarter earnings of 25 cents a share.

Coca-Cola Co. (KO) is seen posting per-share earnings of 45 cents in its fourth quarter.

Computer Sciences Corp. (CSC) is expected to show earnings of 85 cents a share.

Emerson Electric Co.'s (EMR) fiscal first-quarter results are expected to show a per-share profit of 83 cents.

Fortune Brands Inc. (FO) is expected to report earnings of $1.20 a share in its fourth quarter.

Occidental Petroleum Corp. (OXY) is seen posting fourth-quarter earnings of $2.76 a share.

Polo Ralph Lauren Corp.'s (RL) fiscal third-quarter is expected to show a profit of 76 cents a share.

Wm. Wrigley Jr. Co. (WWY) is expected to post per-share earnings of 55 cents in its fourth quarter.

After Monday's closing bell, Citadel Broadcasting Corp. (CDL) said it has agreed to merge its radio operation with Walt Disney Co.'s (DIS) ABC Radio in a $2.7 billion deal that creates the third-largest U.S. radio group. Disney also said it managed an unexpected gain in first-quarter earnings thanks to strong performances at its parks and broadcast networks. See full story. See After Hours column.

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Activision Inc. (ATVI) said fiscal third-quarter profit fell 30%, and its financial forecast fell well short of Wall Street expectations. See full story.

Anadarko Petroleum Co. (APC) said it more than doubled its fourth-quarter profit, prompting it to boost its capital spending program to $4 billion in 2006. See full story.

Brooks Automation Inc. (BRKS) reported a fiscal first-quarter net loss of $11.2 million, or 17 cents a share, vs. a net loss of $895,000, or 2 cents a share, in the year-ago period. Excluding acquisition-related charges, per-share earnings came in at 2 cents. Revenue at the Chelmsford, Mass.-based semiconductor component company rose to $127.2 million from $117.2 million. Analysts polled by Thomson First Call had estimated revenue of $124 million.

CNet Networks Inc. (CNET) reported fourth-quarter sales in line with expectations but gave an outlook that fell well below forecasts. See full story.

FMC Corp. (FMC) said fourth-quarter net income was $25.3 million, or 64 cents a share, compared with $94.5 million, or $2.47 a share, during the year-earlier period. The company said quarterly revenue was $522.2 million, compared with $513.7 million last year. Analysts polled by Thomson First Call had expected the chemicals company to report revenue of $536 million.

General Motors Corp. (GM) gave its biggest shareholder a voice on its board of directors one month after Kirk Kerkorian's right-hand man laid out a comprehensive plan to save the struggling automaker. See full story.

PartnerRe Ltd. (PRE) hammered by natural disasters, on Monday reported a $33.6 million loss for the most recent quarter. See full story.

Retirement-savings specialist Principal Financial Group Inc. (PFG) and life insurance and annuity company Jefferson-Pilot Corp. (JP) reported better-than-expected fourth-quarter results. See full story.

Rent-A-Center Inc. (RCII) said fourth-quarter net income was $35.1 million, or 50 cents a share, compared with $46.9 million, or 61 cents a share, during the year-earlier quarter. The company that rents products such as appliances and consumer electronics said quarterly revenue was $583.2 million, compared with $585.3 million last year.

Sohu.com Inc. (SOHU) reported fourth-quarter net earnings of $8.94 million, or 23 cents a share, up 48% from $6.5 million, or 17 cents a share, in the year-ago period. Revenue at the Chinese online media company rose 27% to $30.5 million from $24.1 million, while gross margin fell to 66% from 68% last year. Analysts polled by Thomson First Call had forecast earnings of 21 cents a share on revenue of $29 million.

Taubman Centers Inc. (TCO) said fourth-quarter net income available to shareholders was $55.4 million, or 93 cents a share. During the same quarter last year, the real estate investment trust said the net loss allocable to shareholders was $2.04 million, or 4 cents a share. Net income was $61.4 million, compared with $2.95 million last year. Per-share quarterly funds from operations were 62 cents, compared with 56 cents last year.

Thomas & Betts Corp. (TNB) posted higher fourth-quarter earnings and sales across all three of its business segments as it was able to offset higher energy and raw materials costs with increased volume and higher prices. See full story.

Expensing for stock options dragged down Yum Brands' (YUM) bottom line in the fourth quarter even as the fast-food giant's revenue and same-store sales posted modest gains. See full story.