With Apple (Nasdaq: AAPL) dominating the portable media player market, is it time for Microsoft (Nasdaq: MSFT) to kill the Zune? What can investors learn from Berkshire Hathaway's (NYSE: BRK-B) and Google's (Nasdaq: GOOG) investments in China? Will Bratz survive a courtroom brawl with Barbie maker Mattel (Nasdaq: MAT)? In this installment of "Fool Video," Motley Fool Online Managing Editor LouAnn DiCosmo talks about some stories on the Fool radar.

Apple and Berkshire are Motley Fool Stock Advisor picks. To see all of the stocks that have helped Tom and David Gardner crush the market, take a free 30-day trial. Berkshire and Microsoft are also Inside Value recommendations.

Lou owns shares of Apple, Berkshire, and Microsoft. The Motley Fool also owns shares of Berkshire. Mac doesn't own any of the stocks discussed. The Fool has a disclosure policy.