Big hedge funds win again on PetSmart, Riverbed By: CNBC.com News December 15, 2014 at 15:36 PM EST Another week, another set of wins for activist investors, with Elliott and JANA gaining on the buyouts of Riverbed and PetSmart that they pushed for. Read More >> Related Stocks: Actavis Plc Darden Restaurants EMC Corp Family Dollar Stores Icahn Enterprises Juniper Networks PetSmart, Inc.