Traders held a net $22.6 billion in bets that the dollar will appreciate, a gain of 31% in net wagers over the previous week and the largest such position since June 2010, government data showed Friday. Speculators on the Chicago Mercantile Exchange, although a minor part of global currency traders, are frequently considered to trade the way hedge funds do, giving their positions greater import. For the euro, traders held $16.6 billion in net bets that the common currency will fall. That represented 101,364 net contracts, up 26% over the week before, according to the Commodity Futures Trading Commission's weekly ... (full story)