shares of amcor plc amcr slid 258 to 981 wednesday on what proved to be an allaround rough trading session for the stock market with the sp 500 index spx falling 004 to 437686 and dow jones industrial average djia falling 022 to 3385266 amcor plc closed 356 below its 52week high 1337 which the company reached on august 16th trading volume 65 m remained 15 million below its 50day average volume of 80 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