Will less-than-stellar earnings from Yahoo! (Nasdaq: YHOO) end its star-crossed courtship with Microsoft (Nasdaq: MSFT)? Do better-than-expected earnings from McDonald's (NYSE: MCD) portend appetizing returns ahead -- or will competition with the likes of Burger King (NYSE: BKC) and Starbucks (Nasdaq: SBUX) leave shareholders hungry? Should investors follow the lead of some of Wall Street's top value investors and invest in companies such as Cisco (Nasdaq: CSCO) and UnitedHealth Group  (NYSE: UNH)? And does it really make sense to "buy on rumor, sell on news"? In this installment of "Fool Video," Online Managing Editor LouAnn DiCosmo talks about some stories on the Fool radar.

Microsoft is an Inside Value recommendation. Starbucks and UnitedHealth are both Motley Fool Stock Advisor and Inside Value recommendations. Lou owns shares of Cisco, Microsoft, Yahoo!, and Starbucks. Mac own shares of Starbucks. The Motley Fool owns shares of Starbucks and has a disclosure policy.