Ackman's 'hugely important' move draws scrutiny By: CNBC.com News May 02, 2014 at 06:00 AM EDT Some market watchers consider Ackman's gambit to be the latest flavor of legal insider trading-and an unappetizing one as well. Read More >> Related Stocks: Clean Harbors Kraft Foods Group Procter & Gamble Valeant Pharmaceuticals International, Inc.