Gold and silver prices ended slightly lower Thursday, extending their losing streak to four days. Other metals futures also lost ground.

Gold and silver prices ended slightly lower Thursday, extending their losing streak to four days. Other metals futures also lost ground.

Gold for June delivery slipped $3, or 0.2 percent, to $1,256.30 an ounce. July silver fell five cents, also 0.2 percent, to $19.01 an ounce.

Copper, palladium and platinum futures also fell slightly. Palladium and platinum have been rising because of concerns that supplies from Russia, a major producer, could be disrupted.

The actively traded contract for July delivery of copper fell three cents, or 0.9 percent, to $3.14 a pound.

July platinum lost $2.60, or 0.2 percent, to $1,460.10 an ounce and September palladium fell $6.25, or 0.7 percent, to $834.50 an ounce.

Crop prices were mixed. In July contracts, wheat fell six cents, or 1 percent, to $6.33 a bushel. Corn fell three cents, or 0.6 percent, to $4.70 a bushel. Soybeans added a penny, or 0.1 percent, to $14.99 a bushel.

In energy trading, U.S. crude oil for July delivery rose 86 cents, 0.8 percent, to $103.58 a barrel.

Wholesale gasoline added less than a penny, or 0.3 percent, to $3.02 a gallon. Heating oil fell a penny, or 0.4 percent, to $2.92 a gallon and natural gas fell six cents, or 1.2 percent, to $4.56 per 1,000 cubic feet.