20 companies ripe for M&A or restructuring after DuPont deal By: MarketWatch December 14, 2015 at 10:26 AM EST Companies that have disappointed shareholders are being merged or broken up at an unprecedented pace. Read More >> Related Stocks: Alcoa Berkshire Hathaway C.H. Robinson Worldwide Caterpillar Cummins Deere & Co Dow Chemical DuPont USA Eaton Corp Plc Emerson Electric Expeditors International,Wash FMC Corp Flowserve Corp Fluor Corp Fomento Economico Mexicano SAB de CV Freeport-McMoRan General Electric Jacobs Engineering Group Macy's Mosaic Co Newell Rubbermaid Newmont Mining Nucor Corp Owens-Illinois Paccar Inc Pitney Bowes Quanta Services Standard & Poors 500