Optimal Group ( OPMR) raised its earnings guidance for the third quarter. The processor of credit card payments said it now expects pretax earnings greater than $10.6 million compared with its previous forecast of $9.8 million. The stock was up 39 cents, or 2.08%, to $19.18 after hours.

Alcoa ( AA) said it earned $289 million, or 33 cents a share, for the third quarter ended Sept. 30, versus $283 million, or 32 cents a share, a year ago. Revenue for the quarter rose to $6.6 billion from $5.8 billion last year. "A reduced upstream pricing environment and higher energy costs affected our results," the company said. Analysts expected earnings of 29 cents a share on revenue of $6.6 billion, according to Thomson First Call. Alcoa was higher by 42 cents, or 1.85%, to $23.08 in after-hours trading.

SigmaTel ( SGTL) lowered its earnings guidance for the third quarter ended Sept. 30. It cited equipment issues at its test and assembly facilities coupled with heavy back-end loaded demand for its products during the second half of September. The semiconductor company now expects revenue to be $74.4 million with gross margins lower than forecast at 51% for the quarter. SigmaTel expects its net income to be 10 cents below the lower end of the range of its previous forecast. The stock was down $1.36, or 7.9%, to $15.85 in after-hours trading.

MeadWestvaco ( MWV) announced that its Texas and Louisiana facilities have resumed production after being shut down for 10 days due to Hurricane Rita. The global packaging company said it expects third-quarter earnings to be lowered by 7 cents to 10 cents a share, excluding adjustments for hurricane-related insurance reimbursement, due to the production downtime. The stock was unchanged at $25.74.

eBay ( EBAY) and VeriSign ( VRSN) announced that they have formed a strategic alliance in which the companies will collaborate on payment services and security initiatives for e-commerce. Under the agreement, eBay's PayPal will acquire VeriSign's payment gateway business for $370 million in cash or stock, or both. PayPal said it expects the acquisition to generate $100 million of revenue in 2006. eBay was unchanged at $40.46 and VeriSign was up 97 cents, or 4.84%, to $21.01.

Genentech ( DNA) reported net income of $359.4 million, or 33 cents a share, for the third quarter ended Sept. 30, compared with $230.9 million, or 21 cents a share, a year ago. Revenue for the quarter rose to $1.75 billion from $1.2 billion last year. Excluding items, the company earned $383.8 million, or 35 cents a share. Analysts polled by Thomson First Call expected a profit of 30 cents a share on sales of $1.64 billion. The stock was up $4.12, or 5.06%, to $85.62 in after-hours trading.

Skyworks Solutions ( SWKS) lowered its revenue guidance for the fourth quarter ended Sept. 30 to $190 million, which is below the low end of its previous revenue forecast given in July 2005 of $194 million. The semiconductor company cited a one-time payment to a customer recorded against current period revenue and a late-quarter shift away from hub/consigned products. "We are obviously disappointed with our preliminary fourth fiscal quarter results and are taking aggressive steps to eliminate supply chain bottlenecks, ensuring our ability to fully capture shifting customer demand going forward," said David J. Aldrich, Skyworks' president and chief executive officer of Skyworks. The stock was down 60 cents, or 9.08%, to $6.01 in after-hours trading.

Universal Forest Products ( UFPI) said it earned $19.2 million, or $1 a share, for the third quarter ended Sept. 30, compared with $14.6 million, or 76 cents a share, a year ago. Revenue for the quarter rose to $721.5 million from $709.3 million last year. Analysts polled by Thomson First Call expected earnings of 94 cents a share. The stock was up 98 cents, or 1.81%, to $54.99 in after-hours trading.

Comstock Homebuilding ( CHCI) revised its third-quarter earnings guidance to 80 cents a share from its previous estimate of 77 cents to 80 cents a share. For 2005, the company now expects to earn $2.75 a share from its original guidance of $2.68 to $2.73 a share. Comstock also announced first time guidance for fiscal 2006 of $3.95 to $4.05 a share. "We believe that our inventory is well positioned to deliver results into 2007 and we are confident about our ability to execute," said Christopher Clemente, chairman and CEO of Comstock Homebuilding Companies. The stock was up 84 cents, or 5.38%, to $16.46 in after-hours trading.

More from Stocks

Burger King Issues Apology After Massive World Cup Promotional Fail

Burger King Issues Apology After Massive World Cup Promotional Fail

The Winners and Losers in Thursday's Market

The Winners and Losers in Thursday's Market

Stocks Tumble as Dow Heads for Eighth Straight Drop

Stocks Tumble as Dow Heads for Eighth Straight Drop

Starbucks Stock Is Still Plunging

Starbucks Stock Is Still Plunging

Tesla Received Tip That Former Employee Was Going to 'Shoot the Place Up'

Tesla Received Tip That Former Employee Was Going to 'Shoot the Place Up'