GLOBAL IMPACT: Copper prices lost ground as global events such as Japan's crisis renewed concerns about demand in the next few months. The price has fallen nearly 5 percent since March 1. Other metals settled higher.
OIL SUPPLIES: Crude prices slipped after the Energy Department said crude supplies rose more than analysts expected last week. Supplies increased 2.9 million barrels to 355.7 million barrels.
AG MIX: Prices for wheat, corn and soybeans were mixed ahead of a government forecast due Thursday on what crops farmers will plant this year.