Nvidia

(NVDA) - Get Report

said on Wednesday that it topped Wall Street's earnings estimates for the fourth quarter by a penny.

The Santa Clara, Calif., company, a maker of graphics processors, said it earned $31.1 million, or 38 cents a share, up from $14.6 million, or 19 cents a share, in the year-ago period. Five analysts polled by

First Call/Thomson Financial

were calling for the company to earn 37 cents in the quarter.

Revenue for the quarter rose to $218.2 million, well ahead of the $128.5 million the company reported in the same period last year.

Shares of Nvidia, which will produce processors for

Microsoft's

(MSFT) - Get Report

upcoming Xbox video game system, gained $3.25, or 7.3%, to $47.69 in regular-session

Nasdaq

trading, and rose to $50.50 in recent after-hours

Island

activity.