Reuters | Oil up 2 percent on Wall Street after early slide on US stockpile worry Reuters U.S. crude was up 54 cents at $34.29 a barrel, after an intraday low at $33.37. Crude oil prices have risen in seven of the past 12 sessions. Traders said some who had been long the market had possibly booked profit ahead of data due later on Tuesday ... Russia's Putin says Russian oil firms agree not to increase oil output in 2016 Oil prices fall on oversupply nervousness MarketsRussia 'practically' agrees on oil production freeze |