BusinessWeek -Hedge funds raised bullish commodity bets to the highest in 16 months before speculation that policy makers in the U.S., China and Europe will revive global growth pushed prices higher for a sixth week.
Money managers increased their net-long positions across 18 U.S. futures and options by 2.3 percent to 1.33 million contracts in the week ended Sept. 4, the highest since May 3, 2011, U.S. Commodity Futures Trading Commission data show. Wagers on a silver rally climbed for a sixth week and to the highest since Feb. 28, while those for cocoa jumped 57 percent to the most since May 2010.