Big banks take the lion’s share of stock trading By: MarketWatch May 07, 2018 at 07:27 AM EDT Mid- and smaller-sized banks are getting sidelined as big firms are grabbing more stock trading business Read More >> Related Stocks: Bank of America Evercore Partners Inc Goldman Sachs Group JPMorgan Chase & Co Morgan Stanley Piper Jaffray Companies Raymond James Financial Stifel Financial Corp