Reuters | Oil dips after analysts pour cold water on output freeze prospects Reuters SINGAPORE Crude prices dipped on Monday as analysts, including Goldman Sachs, poured cold water on the prospects of a planned oil producer meeting successfully reining in global oversupply, although a firm demand outlook checked losses. U.S. crude ... Oil rises on signs of tightening market, but economic worries weigh UPDATE 1-Oil prices rise on signs of tightening market Crude oil futures climb 1% on positive Asian cues |