Reuters | Oil down 1 percent on continued concerns over U.S. output - Reuters Reuters Oil prices fell on Monday as investors grappled with ongoing concerns over rising U.S. output and tight OPEC supply, while last week's data showing speculators cut bets on oil suggested more selling could be seen. Oil prices fall on relentless rise in US crude output Oil prices settle lower as EIA data point to further gains in US shale output Oil down 1 percent on continued concerns over U.S. output |