Shares of energy companies fell slightly, as traders awaited the outcome of negotiations between the U.S. and Russia.

Libya restarted production at its largest oil field after militants ended a blockade that helped push global oil prices up in recent weeks, The Wall Street Journal reported.

Tensions over Ukraine remained high, meanwhile, as both sides hinted that negotiations in Geneva opened with U.S. and Russian delegations finding little common ground.

Separately, Russian President Vladimir Putin defended the deployment of paratroopers to Kazakhstan, a major oil producer that's experiencing civil unrest.

Natural gas futures rose 5% to $4.11 a million British thermal units as forecasts pointed to more cold weather in much of the U.S.

Write to Rob Curran at rob.curran@dowjones.com

(END) Dow Jones Newswires

01-10-22 1623ET