NEW YORK (Reuters) - Stocks slid on Thursday as investors grew increasingly worried that government efforts may be insufficient to revive a recession-hit economy and stabilize the beleaguered financial system.
* Shares of major banks, including Bank of America
* The Dow Jones industrial average <.DJI> slid 223.65 points, or 2.82 percent, to 7,715.88. The Standard & Poor's 500 Index <.SPX> fell 23.36 points, or 2.80 percent, to 810.38. The Nasdaq Composite Index <.IXIC> lost 30.02 points, or 1.96 percent, to 1,500.48.
* The slide took the benchmark S&P 500 index down 12 percent since the start of 2009.
(Reporting by Deepa Seetharaman; Editing by Jonathan Oatis)