Wells Fargo, Capital One, and Keycorp are affected. Analysts see more weakness ahead.
The Federal Reserve would become the most powerful financial regulator.
The software maker's shares rise, however, because guidance is a bit stronger than expected.
Up 139 early in the afternoon, the Dow fades to a 32-point gain. Oil briefly tops $73. The Treasury's 30-year bond auction is successful.
The Dow falls more than 150 points on rising interest rates. GM nears bankruptcy. House prices slump.
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