Monday November 10, 6:41 am ET By George Jahn, Associated Press WriterOil prices jumped above $64 a barrel Monday as world stock markets rallied on news of a massive Chinese economic stimulus plan, which could underpin demand for crude. Increasing evidence that OPEC production cutbacks were taking hold also helped support prices.Light, sweet crude for December delivery was up $3.10 to $64.14 a barrel in electronic trading on the New York Mercantile Exchange by noon in Europe. The contract Friday   read more »