Benchmark US crude oil for February delivery rose $1.61 to $79.46 a barrel Thursday. Brent crude for March delivery rose $1.19 to $81.99 a barrel. Wholesale gasoline for February delivery rose 1 cent to $2.30 a gallon. February heating oil rose 3 cents to $2.48 a gallon. February natural gas fell 7 cents to $3.81 per 1,000 cubic feet. Gold for February delivery fell $35.90 to $1,789.20 an ounce. Silver for March delivery fell 98 cents to $22.19 an ounce and March copper fell 6 cents to $4.35 a pound. Dollar fell to 115.96 Japanese yen from 116.16 yen. The euro fell to $1.1288 from $1.1311.