shares of aptiv plc aptv slid 296 to 17030 tuesday on what proved to be an allaround great trading session for the stock market with the sp 500 index spx rising 017 to 469070 and the dow jones industrial average djia rising 055 to 3581380 this was the stocks fourth consecutive day of losses aptiv plc closed 1051 short of its 52week high 18081 which the company achieved on november 4th the stock underperformed when compared to some of its competitors tuesday as magna international inc mga fell 062 to 8375 autoliv inc alv fell 210 to 10247 and gentex corp gntx remained unchanged trading volume 19 m eclipsed its 50day average volume of 15 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