December 21, 2012 at 12:05 PM EST
Halozyme Partners With Pfizer
Halozyme Therapeutics Inc. (Nasdaq: HALO) partnered with Pfizer Inc. (NYSE: PFE) to develop and commercialize biologics with recombinant human hyaluronidase enzyme. Shares of Halozyme leaped $1.48 to $7.00 while Pfizer stock eased 26 cents to $25.17.

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