Unusual 11 Mid-Day Movers 12/21: (HALO) (ASCA) (FCFC) Higher; (HEB) (EDMC) (RIMM) Lower

December 21, 2012 12:34 PM EST
Halozyme Therapeutics, Inc. (Nasdaq: HALO) 28.6% HIGHER; Halozyme entered into a worldwide Collaboration and License Agreement with Pfizer Inc. (NYSE: PFE) for the purpose of developing and commercializing products combining proprietary Pfizer biologics with Halozyme's Enhanze technology. Enhanze is Halozyme's proprietary drug delivery platform and is based on the Company's patented recombinant human hyaluronidase enzyme (rHuPH20).

Hemispherx Biopharma, Inc. (AMEX: HEB) 22.1% LOWER; failed to get FDA panel backing for Ampligen.

Ameristar Casinos, Inc. (Nasdaq: ASCA) 19.7% HIGHER; Pinnacle Entertainment and Ameristar announced today that the companies have entered into a definitive agreement under which Pinnacle will acquire all of the outstanding common shares of Ameristar for $26.50 per share in cash, for a total enterprise value of $2.8 billion, including debt of $1.9 billion and cash on hand of $116 million as of September 30, 2012.

Education Management Corp. (Nasdaq: EDMC) 19.1% LOWER; pulling back following a four-day rum which saw shares move above the $5 level.

FirstCity Financial Corporation (Nasdaq: FCFC) 18.1% HIGHER; FirstCity will be acquired by Värde Partners for $10 per share.

Pinnacle Entertainment, Inc. (NYSE: PNK) 17.9% HIGHER; to acquire Ameristar Casinos.

Research In Motion's (Nasdaq: RIMM) 17.3% LOWER; reported third-quarter results Thursday night, showing a narrower than expected loss of 22 cents per share. Investors might have gotten spooked on conference call comments and RIM has been emphasizing a slowdown in sales into BB10.

Echo Therapeutics, Inc. (Nasdaq: ECTE) 17.1% LOWER; announced the pricing of a previously announced underwritten public offering of 3,200,000 shares of its common stock, offered at a price to the public of $0.95 per share.

Herbalife (NYSE: HLF) 13.1% LOWER; seeing pressure following Bill Ackman comments this week, saying he was short about 20 million shares. Argus downgraded the stock to Hold today.

Westway Group, Inc. (Nasdaq: WWAY) 9.5% HIGHER; EQT Infrastructure II to acquire Westway for $6.70 per share.

Theragenics Corp. (NYSE: TGX) 8.3% HIGHER; momo stock getting back above the $1.60 level, which was a previous near-term resistance point.

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