EYES ON CORN: Corn prices fell sharply after a spell of warmer weather left more than two-thirds of the crop in good condition. Investors speculated about the potential for a bumper crop that could ease a global supply shortage.
IMPROVING WHEAT: Wheat fell as investors considered improving conditions for crops in some European growing regions. About 68 percent of the U.S. spring wheat crop was in good-to-excellent condition, compared with 86 percent at this time in 2010.
COPPER'S GLEAM: Copper prices settled up 3 percent after China said its industrial output rose 13.3 percent in May. China is a huge buyer of copper.