Summary Box: Industrial metals fall Jan 31 04:56 PM US/Eastern METALS FALL: Tuesday's declines leave Copper and platinum down about 2 percent for the week, while palladium is down less than 1 percent since Monday. CONSUMER CONFIDENCE: The Conference Board said its consumer confidence index fell in January after two straight months of big gains. A drop in confidence could cut demand for industrial metals such as copper at factories that make consumer products. CROPS UP: In March agriculture contracts, wheat jumped 21.25 cents to end at $6.66 per bushel, corn rose 7.25 cents to $6.39 per bushel, and soybeans ended up 13.75 cents at $11.99 per bushel.