These are this Wednesday morning’s top pre-market day trader alert and active trader alert stocks moving on unusual trading volume.  We have a link through to more color and analysis on price and volume over at VSInvestor.com on each stock:

AEterna Zentaris Inc. (NASDAQ: AEZS) and Keryx Biopharmaceuticals, Inc. (Nasdaq: KERX) are both ramping higher an FDA orphan-drug designation news.

Agco Corp. (AGCO) is trading lower by 7% on lower guidance.

American Capital Ltd. (NASDAQ: ACAS) is surging almost 20% after Corning Incorporated (NYSE: GLW) paid $400 million in cash for shares of another portfolio company.

Cell Therapeutics, Inc. (NASDAQ: CTIC) is up 5% on very active volume on more pixantrone for non-Hodgkin’s lymphoma news, but this is on positive data.

Citigroup, Inc. (NYSE: C) is up again on strong volume… we have color on prior day’s price levels here for inference.

Flextronics International Ltd. (NASDAQ: FLEX) is surging by almost 9% this morning after a Jim Cramer tout last night.. we are watching EMS rivals like Celestica Inc. (NYSE: CLS), Sanmina-SCI Corp. (NASDAQ: SANM) and Jabil Circuit Inc. (NYSE: JBL) on this.

Omniture, Inc. (NASDAQ: OMTR) is the biggest volume stock in the pre-market at NASDAQ after getting acquired by Adobe Systems, Inc. (NASDAQ: ADBE).

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JON C. OGG
SEPTEMBER 16, 2009