Yahoo YHOO, +2.13% said in an 8K filing Wednesday it had entered a 1-year lock-up agreement restricting the sale of its remaining ordinary shares of Alibaba BABA, +3.90% . Yahoo retains 383,565,416 ordinary shares of Alibaba, representing 15% of Alibaba's outstanding ordinary shares following the Chinese internet company's IPO last week, according to the filing. http://www.marketwatch.com/story/yahoo-in-1-year-l...