shares of archer daniels midland co adm dropped 034 to 8111 wednesday on what proved to be an allaround grim trading session for the stock market with the sp 500 index spx falling 041 to 409195 and dow jones industrial average djia falling 011 to 3364650 the stocks fall snapped a twoday winning streak archer daniels midland co closed 1777 below its 52week high 9888 which the company achieved on april 21st despite its losses the stock outperformed some of its competitors wednesday as tyson