five guys

Did you hear that Burger King hired the Hamburglar from McDonald's? It must have. How else to explain why the new BK menu looks so similar to what the folks under the golden arches are serving? It's not a bad move -- but it may not save the King.

This is a big week for Wendy's. For the first time in its 42-year history, the burger chain is remaking its signature sandwich. It's a bid to compete with "gourmet" burger shops that are growing in popularity. Still, it's going to take more than menu tweaks for Wendy's to turn things around.

Wall Street can be fickle, leaving investors scratching their heads in bewilderment. Some of last week's biggest surprises, blunders, and flat-out bone-headed moves included Morgan Stanley's downgrading of Google, another step toward a LivingSocial IPO, and irrational exuberance with respect to Wendy's stock.

Here's news from the business world and other money matters to watch out for Thursday (last updated at 8:02 a.m. Eastern time): Mattel Accused Of Espionage: Toys are a profitable and competitive business, but do they involve espionage? MGA Entertainment reportedly believes so, alleging Barbie-doll...

Five Guys Burgers and Fries may or may not be the "next McDonald's." But according to ratings juggernaut Zagat, it's surely the next In-N-Out Burger -- now that the upstart chain has supplanted the cult favorite in the Best Burger category. What's Five Guys' secret sauce?