shares of aptiv plc aptv slid 034 to 9492 tuesday on what proved to be an allaround poor trading session for the stock market with the sp 500 index spx falling 038 to 373548 and dow jones industrial average djia falling 050 to 3036483 this was the stocks fourth consecutive day of losses aptiv plc closed 8589 below its 52week high 18081 which the company reached on november 4th despite its losses the stock outperformed some of its competitors tuesday as magna international inc mga fell 080 to 5723 autoliv inc alv fell 110 to 7042 and gentex corp gntx fell 182 to 2804true trading volume 17 m remained 196371 below its 50day average volume of 19 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