By Marvin G. Perez Bloomberg November 22, 2011 Coffee’s biggest slump in three years may be ending as weather damages crops from Colombia to Indonesia, reducing U.S. inventories to the lowest since 2000 just as Kraft Foods Inc. and J.M. Smucker Co. cut prices. Stockpiles in warehouses monitored by ICE Futures U.S. fell 16 percent since December, declining for a fourth year, exchange data show. Arabica-coffee futures, already poised for the highest annual average price on record, may rise 14 percent to $2.71 a pound by March, according to the average estimate of 13 traders and analysts surveyed by Bloomberg. Prices rallied 7.8 percent from a nine-month low in October as the heaviest rains in two decades damaged Central American plantations, Colombia reported a 19 percent drop in output last month, while exports slowed from Brazil, the world’s top grower. The London-based International Coffee Organization already expects production of arabica,...