US STOCKS-Energy leads Wall St rebound; S&P has best day since Dec
(Updates close with energy ETF performance)
* S&P 500 back above 1,900
* Crude oil up; energy sector leads rally
* JPMorgan up after Q4 results beat; financials gain
* Indexes up: Dow 1.4 pct, S&P 1.7 pct, Nasdaq 2 pct
By Caroline Valetkevitch
Jan 14 (Reuters) - A rally in battered energy shares led U.S. stocks to rebound on Thursday, while financials rose after upbeat results from JPMorgan Chase & Co.
The S&P 500 registered its biggest daily percentage gain since Dec. 4 and ended back above 1,900 in the heaviest volume day so far this year.
Though the market finished off its highs for the day, analysts said some investors see a bottom in energy shares, which were among the most heavily sold shares in the market's rout that began at the start of the year. Continuación...