The year’s most-popular market bets got hammered on Wednesday, showing just how risky it is to follow the crowd.
The dollar, which has rallied more than 15 percent during the past 12 months, extended its longest losing streak since August 2013. The euro, which has lost about 19 percent in the period, soared. Oil gained, European stocks tanked, and U.S. Treasures slumped without any obvious reason.