Investors boosted bearish bets on the dollar to the highest level in more than two months on concern the political stalemate in Washington on raising the U.S. debt limit will erode the value of the world’s reserve currency. Aggregate wagers against the greenback rose for the fourth consecutive week, data from the Commodity Futures Trading Commission in Washington show. Futures traders added to bets the dollar will weaken against the euro, yen, Australian and Canadian dollars, British pound and Mexican peso. Wagers on a drop versus the franc were trimmed after the Swiss currency climbed to a record. Investor sentiment ... (full story)