The following are some of the top stocks to watch for active trading today based on pre-market and after-hours volume activity. There are links through to more detailed coverage and volume analysis at VSInvestor.com:

CIT Group Inc. shares (NYSE: CIT) are down on strong premarket volumes after Moody’s put some of its receivables-backed notes on review for a downgrade.

Onyx Pharmaceuticals Inc. (NASDAQ: ONXX) is up strongly on high volume after it and Bayer announced that a Phase 2 trial in advanced metastatic breast cancer met the primary endpoint.

Human Genome Sciences Inc. (Nasdaq: HGSI) are rising on a government order for its Abthrax product.

Winn-Dixie Stores Inc. (Nasdaq: WINN) shares are up strongly in the early going on its EBITDA guidance.

Oriental Financial Group Inc. (NYSE: OFG) shares are up strongly on earnings and investment portfolio gains.

Apple Inc. (Nasdaq: AAPL) is up strongly on an earnings beat, and slightly better-than-expected iPhone sales.

Advanced Micro Devices Inc. (NYSE: AMD) shares are down sharply, and among the most actives, following a wider-than-expected loss, and disappointing gross margins.

Yahoo Inc. (Nasdaq: YHOO) shares are down in the early going on disappointing  guidance and less-than-expected search revenue.

Starbucks Corp. (Nasdaq: SBUX) shares are up strongly following better-than-expected fiscal Q3 results and fiscal 2009 guidance.

Amylin Pharmaceuticals Inc. (Nasdaq: AMLN) shares are down on disappointing earnings.

Gilead Sciences Inc. (Nasdaq: GILD) shares are down, possibly after the company said U.S. wholesalers may decrease inventory levels of its HIV drugs.

-The 24/7 Wall St. Team

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