Morning Movers: Facebook, Monsanto, MasterCard

May 2 (Bloomberg) -- Bloomberg's Tom Keene, Scarlet Fu and Sara Eisen highlight the news you need to follow for today's trading. They speak on Bloomberg Television's "Bloomberg Surveillance."

Will Acquiring Allergan Impact Pfizer's R&D?
44:49 - Dr. Beth Seidenberg, Kleiner Perkins Caufield & Byers general partner, discusses the financial implications of the Pfizer-Allergan deal. She speaks with Bloomberg's Emily Chang on "Bloomberg West." (Source: Bloomberg)
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