MIAMI - MAY 17: Glazed Krispy Kreme doughnuts are seen May 17, 2004 in Miami, Florida. Krispy Kreme Doughnuts Inc. last week said that the low-carb diet trend has hurt sales and they now face shareholder lawsuits alleging it misled investors about the direction its business was headed. (Photo by Joe Raedle/Getty Images)Getty ImagesAccording to market cap as a percent of M2 money supply, U.S. stock markets look more overvalued than ever. It’s hard to see how the market climbs much higher from here. Now is th ...