Wall Street slides on auto worry and financials

NEW YORK (Reuters) - Stocks fell on Thursday on dimming prospects for a federal bailout of Detroit's Big Three automakers, while bleak comments about the banking sector from JPMorgan's chief executive hit financial shares.

* JPMorgan Chase & Co was the top drag on the Dow, falling 10.7 percent to $29.94 after CEO Jamie Dimon said the company's December quarter was "terrible."

* Energy shares gained after the International Energy Agency forecast global oil demand will rebound next year, sending crude oil up nearly 9 percent to $50.04 a barrel.

* The Dow Jones industrial average <.DJI> fell 196.33 points, or 2.24 percent, to end unofficially at 8,565.09. The Standard & Poor's 500 Index <.SPX> sank 25.65 points, or 2.85 percent, to finish unofficially at 873.59. The Nasdaq Composite Index <.IXIC> dropped 57.60 points, or 3.68 percent, to close unofficially at 1,507.88.

(Reporting by Deepa Seetharaman; Editing by Jan Paschal)