Warren Buffett may be right about Whole Foods

Buffett joked that nobody smiles at the organic grocer. Investors aren't either. Shares of Whole Foods plunged due to weak sales growth. Will new stores with cheaper products be the answer to its problems?

  • untitled
CNNMoney assistant managing editor Paul LaMonica highlights the latest news from Wall Street and what's moving the markets in his daily investing commentary.
@LaMonicaBuzz