Among the companies whose shares are expected to see active trade in Friday's session are Microsoft Corp., Google Inc. and Advanced Micro Devices Inc.

Arch Coal Inc. (ACI) is expected to report earnings per share for the second quarter of 43 cents, according to analysts polled by Thomson First Call.

Caterpillar Inc. (CAT) is expected to post second-quarter per-share income of $1.42.

NEW! Investing Center

Eli Lilly (LLY) is expected to report second-quarter earnings per share of 75 cents.

Huntington Bancshares (HBAN) is expected to report income per share for the second quarter of 44 cents.

Nucor Corp. (NUE) is expected to post second-quarter earnings per share of $1.33.

RadioShack Corp. (RSH) is expected to post per-share earnings of 12 cents for the second quarter.

Schlumberger Ltd. (SLB) is expected to report second-quarter per-share income of 63 cents.

Sepracor Inc. (SEPR) is expected to post earnings per share of 9 cents for the second quarter.

After Thursday's closing bell, Microsoft (MSFT) said quarterly profit dropped 24 percent as higher expenses and legal charges hurt its bottom line, but revenue rose more than expected on stronger sales of server software and Xbox 360 video-game consoles.

Google (GOOG) said second-quarter profit more than doubled as the world's largest provider of Internet searches expanded its leading share of the lucrative market for online search advertising.

Advanced Micro (AMD) reported second-quarter profit rose from a year ago, before it divested its unprofitable memory-chip business, but its results lagged expectations amid lower prices for personal-computer chips.

Watch List

Armor Holdings Inc. (AH) said second-quarter costs rose as net income fell to $33.9 million, or 92 cents a share, from $37.4 million, or $1.05 a share, during the same period in the prior year.

Black & Decker Corp. (BDK) said it has increased its buyback program by 8 million shares, which account for more than 10 percent of the company's shares outstanding.

Capital One Financial Corp. (COF) said second-quarter net income rose 4 percent. Results missed analyst estimates, mostly because of deterioration in the U.K. credit environment.

Chartered Semiconductor Manufacturing (CHRT) reported second-quarter net earnings of $12.3 million. A year ago, the company posted a net loss of $67.1 million.

Coca-Cola Co. (KO) authorized a new buyback of up to 300 million shares, representing nearly 13 percent of total outstanding shares.

Cognos Inc. (COGN) said the Securities and Exchange Commission has concluded its review of Cognos' periodic reports, and does not object to its revenue recognition policy.

Compuware Corp. (CPWR) reported first-quarter net earnings of $29.3 million, or 8 cents a share, compared with $24.6 million, or 6 cents a share, last year, as lower expenses offset slightly lower sales.

F5 Networks Inc. (FFIV) said it can't publish income results for the third quarter until a special committee has completed its review of its stock-option grants, and that it is unlikely to file its quarterly report by an Aug. 14 deadline.

Gymboree Corp. (GYMB) said it expects to take a one-time, pretax charge of $3.4 million, or 7 cents a share, in the second quarter due to the retirement of its chairwoman, Lisa Harper.

Halliburton Co. (HAL) reported a 51 percent increase in its second-quarter profit, with a sharp rise in oilfield services revenue more than offsetting a loss for its KBR subsidiary caused by a decline in U.S. Defense Department contracts.

Harrah's Entertainment Inc. (HET) increased its quarterly cash dividend 10.3 percent to 40 cents from 36.25 cents a share. The dividend is payable Aug. 23 to shareholders of record as of Aug. 9, the Las Vegas-based casino operator said.

The board of H.J. Heinz Co. (HNZ) unveiled a series of corporate-governance changes as it tries to win shareholder favor in the middle of a proxy fight with a dissident shareholder group, led by billionaire Nelson Peltz.

Transport company Hub Group Inc. (HUBG) reported second-quarter net earnings of $12.5 million, or 30 cents a share, compared with $7.9 million, or 18 cents, a year ago. Revenue for the three months ended June 30 totaled $395.3 million, up 9.2 percent from $361.8 million in the year-ago quarter.

Hutchinson Technology Inc. (HTCH) said the third-quarter cost of sales and other expenses rose as net income fell to $5.84 million, or 22 cents a share, from $19.6 million, or 65 cents a share, during the same period in the prior year.

Hyperion Solutions Corp. (HYSL) reported fourth-quarter net earnings of $18.3 million, or 31 cents a share, compared with $20.7 million, or 33 cents a share, during the year-ago period. The Santa Clara, Calif.-based business software company posted revenue of $233.9 million vs. $189 million.

International Business Machines Corp. (IBM) said it has signed a 10-year business transformation outsourcing agreement with CVS Corp. (CVS) to manage human resources services for CVS pharmacies.

Leggett & Platt Inc. (LEG) , with a year's worth of steep restructuring costs behind it, said its second-quarter profit rose 6.3 percent from a year ago and nudged up the lower end of its 2006 earnings forecast.

Oakley Inc. (OO) said second-quarter operating expenses rose as net income fell to $17.9 million, or 26 cents a share, from $24 million, or 35 cents a share, during the same period in the prior year. The California sunglasses company said quarterly revenue rose to $203.6 million from $170.5 million.

PG&E Corp.'s (PCG) Pacific Gas and Electric Co. said its $1.74 billion proposal to invest in new high-tech electric and gas meters has received approval from the California Public Utilities Commission. To fund the installation, PG&E said it is seeking "slight" rate increases.

Roche's (RHHDY) diagnostics unit Thursday evening said a New York district judge has ruled in its favor on aspects of patent infringement allegations brought by Enzo Biochem Inc. (ENZ) . The company added that the order will allow it to request a further ruling declaring that Switzerland's Roche does not infringe on the patent.

Sara Lee Corp. (SLE) said its board has approved the capital structure for the planned tax-free spinoff of its apparel business into a separate, publicly traded company called Hanesbrands Inc. Sara Lee will receive a spinoff-related one-time payment of $2.4 billion.

Skyworks Solutions Inc. (SWKS) said third-quarter cost-of-goods-sold rose as net income fell to $3.01 million, or 2 cents a share, from $7.39 million, or 5 cents a share, during the same period in the prior year.

Spansion Inc. (SPSN) said it narrowed its loss from a year earlier, aided by higher sales of its flash memory chips used in consumer electronics.

Tempur-Pedic International Inc. (TPX) reported second-quarter net earnings of $26.1 million, or 30 cents a share, compared with $24.9 million, or 24 cents a share, last year.

VeriSign Inc. (VRSN) reported second-quarter net earnings of $349.9 million, or $1.42 a share, up from $41.3 million, or 15 cents a share, in the year-ago period.

Copyright (c) 2006 MarketWatch, Inc.

Click here to visit FOXBusiness.com's Investing Center.