shares of amerisourcebergen corp abc slipped 040 to 16084 tuesday on what proved to be an allaround rough trading session for the stock market with the sp 500 index spx falling 200 to 399734 and dow jones industrial average djia falling 206 to 3312959 the stocks fall snapped a threeday winning streak amerisourcebergen corp closed 1379 short of its 52week high 17463 which the company achieved on december 2nd despite its losses the stock outperformed some of its competitors tuesday as amazoncom inc amzn fell 270 to 9458 unitedhealth group inc unh fell 156 to 49131 and cvs health corp cvs fell 108 to 8762true trading volume 12 m remained 261897 below its 50day average volume of 14 m editors note this story was autogenerated by automated insights an automation technology provider using data from dow jones and factset see our market data terms of use