Jana’s Rosenstein bullish on activism By: MarketWatch October 06, 2010 at 21:20 PM EDT Hedge-fund manager says opportunity for activist investing is the best since the mid 1980’s; highlights TNT and Charles River. Read More >> Related Stocks: Charles River Laboratories Intl Deutsche Post Ag ADR FedEx Corp Macy's Standard & Poors 500 Valeant Pharmaceuticals International, Inc.