Oil prices closed higher lower on Thursday after a group of major oil producers agreed to extend supply cuts through the end of next year. Light, sweet crude for January delivery inched up 10 cents, or 0.2%, to $57.40 a barrel on the New York Mercantile Exchange, after three straight days of losses. Brent, the global benchmark, advanced 46 cents, or 0.7%, to $63.57 a barrel. The Organization of the Petroleum Exporting Countries, along with a host of outside producers including Russia, agreed to continue to curb output for an additional nine months on Thursday, extending a deal that was set to expire in March 2018. “This is well within expectations,” said Ric Navy, senior vice president for energy futures at RJ O’Brien & Associates LLC. “The surprise would have been if they did anything different than that.” Prices swung between losses and gains throughout the day as traders […]