ATVI

Activision Blizzard Shoots Past Its Earnings Targets

Activision Blizzard posted better-than-expected fourth-quarter results thanks to strong holiday sales of "Call of Duty: Modern Warfare 2" -- last year's best-selling video game title. The company also initiated a dividend and announced a $1 billion share repurchase program.

Icahn Buys Big Stake in Take-Two

Take-Two Interactive, publisher of popular video games such as Grand Theft Auto, announced disappointing earnings Thursday. But that didn't deter Carl Icahn from buying an 11% stake in the company the same day.