Nintendo gambles with Wii U console By: MarketWatch September 14, 2012 at 13:54 PM EDT Nintendo’s Wii console was the biggest-seller of this generation, but has quickly diminished. The company is making a big bet with its new Wii U device. Read More >> Related Stocks: Activision Blizzard Electronic Arts Macy's Microsoft Nintendo Ltd ADR Nintendo Ltd-Ord Sony Corp Ubisoft Entertainment S.A.