Berkshire Hathaway, J.P. Morgan are stocks to watch By: MarketWatch May 04, 2014 at 05:38 AM EDT Among the companies whose shares are expected to see active trade in Monday’s session are Berkshire Hathaway, J.P. Morgan Chase, and Pfizer. Read More >> Related Stocks: American International Group Anadarko Petroleum Berkshire Hathaway Berkshire Hathaway JPMorgan Chase & Co Pfizer Tyson Foods