BIT OF TARNISH: Copper prices fell 3.2 percent after a survey showed China's manufacturing sector slowed in May and Chinese imports fell in April. It's an indication that the pace of growth may be easing in the world's-second largest economy.
GLOBAL FEARS: China is a huge importer of commodities and investors are concerned the government's efforts to control inflation could hurt demand. They also are concerned that Italy could join Greece, Portugal and Ireland on the list of European countries with serious debt problems.
MIXED BAG: Oil, corn and wheat fell, while gasoline and natural gas settled higher.