Top Day Trader Alerts (GERN, STEM, OPXA, HGSI, DRYS, ABK, MBI, TRGT)

These are this morning’s top day trader and active trader alert stocks, with more details and analysis over at VSInvestor.com with a link to each story:

Geron Corporation (NASDAQ: GERN), StemCells Inc. (NASDAQ: STEM), and Opexa Therapeutics, Inc. (NASDAQ: OPXA) are all giving back a portion of yesterday’s enormous gains.

Human Genome Sciences, Inc. (NASDAQ: HGSI) is down only 1% despite selling even more shares in its secondary offering.

DryShips, Inc. (NASDAQ: DRYS) is up over 4% on the analyst upgrade this morning.

Ambac Financial Group Inc. (NYSE: ABK) is soaring on a S&P upgrade, enough that it is lifting MBIA Inc. (NYSE: MBI).

Targacept, Inc. (NASDAQ: TRGT) is up less and on lighter volume than the headlines of its AstraZeneca pact might sound like.

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JON C. OGG