Oil up 3 percent on OPEC speculation as glut grows

By Barani Krishnan NEW YORK (Reuters) - Oil prices jumped nearly 3 percent on Monday amid renewed speculation that OPEC would try to restrain output, easing oversupply worries had pressured the market to three-month lows last week. The Wall Street Journal reported last week that OPEC countries such as Venezuela, Ecuador and Kuwait want to take another stab at cooperation between the 14-nation Organization of the Petroleum Exporting Countries and non-members such as Russia. Qatar's energy ministe