Stocks slid at the open, after Timothy Geithner pushed back the announcement of his much-anticipated bank rescue plan until tomorrow. The Dow dropped 40 points, while the Nasdaq and S&P barely budged, falling 0.6% and 0.4% each. But financial stocks actually rose, with Bank of America, Citigroup, and Morgan Stanley all up. Barclays shot up 13%, after announcing it wouldn’t take more cash from the British government. (More stock market stories.)