Computer graphics company


(NVDA) - Get Report

soared 19.6% in midmorning.

After the close Wednesday, Nvidia posted fourth-quarter earnings of 38 cents a share, topping the Street's 37 cent estimate and the year-earlier 19 cents.

The company, whose technology will be used in


(MSFT) - Get Report

Xbox video game system, said revenue grew 70% as it entered new product markets.