By Caroline Valetkevitch NEW YORK (Reuters) – U.S. stocks ended sharply higher on Thursday as investors pulled back from bearish bets after a disappointing consumer prices report and as technical support helped drive a rebound. Energy and financials led gains among S&P sectors. Markets were sharply lower earlier in the day after the headline consumer price index rose at an annual pace of 8.2% in September, compared with an estimated 8.1% rise. Core CPI, which excludes volatile food and fuel prices, gained 6.6% last month, compared with estimates of a 6.5% rise. The reading was higher than a 6….