WASHINGTON (Reuters) -- The odds that the Federal Reserve may raise interest rates by half a percentage point next month jumped Tuesday after US data showed prices rising faster than expected in October and policymakers opened the door to a quicker pace of rate hikes. The Consumer Price Index rose 0.4 percent on a monthly basis in October, down from the 0.6 percent registered in September as energy inflation receded. The core index excluding volatile food and energy prices, however, rose 0.3 pe