These US stocks have most to lose from Brexit

Do you have any Brexit bombshells in your portfolio? The U.K. is not a major market for most U.S. companies, but some of them get more than a quarter of their sales in Britain.

These stocks face the two-fold risk of a possible U.K. recession because of Brexit fallout, as well as a surging U.S. dollar versus the pound raising their cost of bringing those profits back to the U.S.