Regions Financial Trading Volume Jumps

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Trading volume in Regions Financial rose 500 percent over its 10-day average, as the regional bank announced it plans to offer $900 million in common stock to finance the repurchase of $3.5 billion preferred stock that was issued under the Trouble Asset Relief Program (TARP).

Here's a look at other stocks in the S&P 1,500 index displaying unusual volume in Wednesday's trading session.

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