PRECIOUS GAINS: Gold and silver rose as questions lingered about efforts to bail out Greece. Investors have been concerned for weeks that the broader European economy could be affected if Greece defaults on its loans. Investors tend to buy precious metals when they anticipate volatility in other financial markets.
MANUFACTURING METALS: Copper, platinum and palladium settled higher after the Commerce Department said factory orders increased 0.8 percent in May.
GRAINS RALLY: Wheat and corn climbed after a sharp drop last week triggered more interest from buyers. Soybeans also rose.