Tuesday's oil, gas, gold and zinc prices

North Slope oil: $104.46 per barrel, down $1.72

U.S. natural gas (Henry Hub): $3.21 per million BTU, up $0.06

Gold (N.Y. Mercantile): $1610.50 per ounce, down $9.20

Zinc: $0.8348 per pound, up $0.25 cents