Top Day Trader Alerts (AA, CENX, NTAP, DDUP, EMC, RIGL, NVAX, HGSI, CPKI, SCSC)

These are some of the this morning’s top day trader alert stocks to watch based on pre-market and after-hours volume activity.  These have links through to more detailed trading and volume analysis covered at the Volume Spike site VSInvestor.com:

• Alcoa Inc. (NYSE: AA) shares are ones to watch for a volume spike higher after the company beat Q2 expectations by 12 cents a share and saw signs of auto market stability. Also watch rival Century Aluminum (Nasdaq: CENX) for possible upside.
• NetApp Inc. (Nasdaq: NTAP) shares are pointing higher as the company saved some dough, and actually made a little, by losing its bid for data storage company Data Domain Inc. (Nasdaq: DDUP) to EMC Corp. (NYSE: EMC).
• Rigel Pharmaceuticals Inc. (Nasdaq: RIGL) shares are up very strongly on clinical trial data that raised expectations for a partnership.
• Novavax Inc. (Nasdaq: NVAX) shares are up more than 10 percent with nearly 100,000 shares traded in the pre-market after the company announced a joint venture in India with Cadila Pharmaceuticals, called CPL Biologicals.
• Human Genome Sciences Inc. (Nasdaq: HGSI) shares are rising on strong volume on a New England Journal of Medicine publication regarding its Raxibacumab as a treatment for anthrax.
• California Pizza Kitchen Inc. (Nasdaq: CPKI) shares will be ones to watch for a potential volume spike higher after the company guided Q2 profit higher.
• ScanSource Inc. (Nasdaq: SCSC) shares could be active in early Thursday trading after the company guided higher for its fiscal Q4, ended in June.

-The 24/7 Wall St. Team