"The market appears to be sending off signals that some assistance from continued stock market gains and a weakening US dollar will be needed if this advance is to continue."
Natural gas futures rose, however. The price is up about 6 percent in the past week with a chillier forecast pointing to heavier use of the thermostat in many parts of the country.
Energy analyst Addison Armstrong points out that below-normal temperatures are expected in February across the Midwest and Chicago, the nation's largest gas-consuming region.
Natural gas rose 7 cents on Friday to end at $3.57 per 1,000 cubic feet.
Meanwhile, Brent crude, used to price international varieties of oil, rose 79 cents to finish at $111.76 per barrel on the ICE Futures exchange in London.
In other energy futures trading on the Nymex:
— Wholesale gasoline rose 3 cents to end at $2.80 a gallon.
— Heating oil rose 3 cents to finish at $3.05 a gallon.
Pamela Sampson in Bangkok and Pablo Gorondi in Budapest contributed to this report.