Brent crude, used to price crude that many U.S. refineries use to make gasoline, fell $2.07 to $113.53 per barrel.Natural gas fell 3 cents to $3.25 per thousand cubic feet. Heating oil fell 6 cents to $3.10 per gallon. Wholesale gasoline for April dropped by 2 cents to $3.24 per gallon. In agriculture contracts, wheat fell more than 2 percent, down 17.25 cents to $7.2125 per bushel. Corn fell more than 1 percent, down 9.75 cents to $6.9075 per bushel. Soybeans were slightly higher, up 5 cents to $14.8775.