Activision Pulls the Plug on Guitar Hero, Outlook for 2011 Disappoints (ATVI, ERTS, TTWO, THQI, MSFT, SNE, AAPL, RIMM)
Game maker Activision Blizzard, Inc. (NASDAQ: ATVI) posted unimpressive fourth quarter results after the market closed last night, and to make matters worse, offered a weaker-than-expected outlook for the current quarter and…