Reuters | Oil rebounds but still threatened by growing US supply Reuters Investors in U.S. crude futures and options, however, increased their bets against any future further rise in prices, as the number of U.S. oil rigs in operation hit its highest in over three years. [CFTC/] [RIG/U]. “U.S. production could jump to 10 ... Oil edges above November lows but under threat from U.S. supply ... |