Futures fall on euro-zone debt concerns

versus the dollar , which dented commodity prices in turn. U.S. crude oil futures lose 2.5 percent. Alcoa Inc lost 1.9 percent to $15.96 and Freeport-McMoRan Copper & Gold fell 2.3 percent to $47.29. S&P 500 futures fell 12.6 points and were below...