Kensho Stats: Something big going on in bonds

Tim Wright | Getty Images

There's something big happening in the bond market that could determine which stocks will be the big winners and losers for the rest of the year.

The so-called yield curve, the difference in short-term and long-term government bond yields, is flattening to levels not seen since 2007. It's a scream for help from bond investors worried this slow growth economy won't get any better or will get even worse. So how do you trade it?

Using data from Kensho, an analytics tool used by hedge funds, CNBC Pro screened for the best performing sectors and Dow Jones industrial average stocks during the last five major yield curve flattening moves since 2010.