CHINA'S NEXT STEP: Silver and copper fell on the latest sign of a slowdown in China's economy. Both metals are used in manufacturing, and investors are concerned that a slowdown in China could cut into demand.
SUMMER YET?: Warmer, drier weather moved into parts of the Midwest, benefiting spring crops. Prices for wheat, corn and soybeans fell.
OIL DROP: Oil fell after the dollar moved off its lows and began to strengthen against other currencies. Oil and other commodities are priced in dollars. A stronger dollar makes them more expensive for buyers who use other currencies like the euro or the Japanese yen.