PERCOLATING PRICES: Coffee futures skyrocketed 6.5 percent on speculation that Colombia's harvest will be smaller than expected. Weather issues have kept coffee prices volatile this year. The price fell about 34 percent from January to mid-June before starting to recover.
SLOWING CHINA: Most commodities shrugged off signs that China's economic slump is growing worse. Traders are waiting for the Federal Reserve's meeting later this week where they expect additional steps to be approved to help the U.S. economy.
MIXED BAG: Prices rose for oil, natural gas, copper and platinum. Gold, silver, wheat, corn and soybeans fell.