Is high-speed trading a big problem for investors?  On this week's show, we revisit our interview with Michael Lewis, author of Flash Boys: A Wall Street Revolt.

On this week’s show, Motley Fool CEO Tom Gardner talks with Zillow CEO Spencer Rascoff about the big business of real estate. And we revisit our conversation with Think Like a Freak co-author Stephen Dubner.

Wal-Mart fails to impress Wall Street. Kate Spade slips. And Noodles & Company leaves investors feeling hungry.  Our analysts discuss some of the week's top business stories.  Plus, Wired Senior Editor Adam Rogers talks about the business of booze. 

Disney reports big earnings.   Procter & Gamble announces a big move.  And shares of Lululemon rise on insider selling news.  We discuss those stories and Motley Fool analyst Joe Magyer weighs in on value investing, GM, Facebook, and Google. 

Twitter reports a profit.  Zillow makes a big buy.  And Buffalo Wild Wiings serves up some not so hot earnings.  Our analysts discuss those stories.  And Motley Fool co-founders David and Tom Gardner talk Tesla, Facebook, and market volatility.