Stocks rose on Tuesday as investors bet U.S. Treasury Secretary Timothy Geithner would shed light on plans to shore up the financial system a day after Wall Street slumped to a 12-year low.

Bank stocks, among beaten-down sectors, were higher as bargain hunters swooped in. Bank of America climbed nearly 10 percent to $3.98, while Citigroup was up 10 percent to $1.31.

The Dow Jones industrial average <.DJI> added 76.07 points, or 1.12 percent, at 6,839.36. The Standard & Poor's 500 Index <.SPX> gained 9.79 points, or 1.40 percent, at 710.61. The Nasdaq Composite Index <.IXIC> rose 19.95 points, or 1.51 percent, at 1,342.80.

(Reporting by Deepa Seetharaman; Editing by James Dalgleish)