
News that activist investor Bill Ackman has teamed up with Valeant Pharmaceuticals International Inc. (NYSE: VRX) to take over Allergan Inc. (NYSE: AGN) sent shares of both companies soaring today.
Allergan shares surged some 17% to a 52-week high of $165.39 intraday. Meanwhile, Valeant shares jumped more than 7% to $134.42.
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