Aptiv PLC (APTV) has seen its stock decline 21.3% year to date, a significant drop compared to the 29.3% rally in the industry it belongs to and a 20.2% rise in the Zacks S&P 500 composite.This decline aligns with the performance of its closest competitors, Magna International (MGA) , which has fallen by 31.7% and Visteon Corporation (VC) , which has dropped 24.7% over the same period.Given the recent weakness in APTV shares, investors might be tempted to buy the stock. But is this the right time to buy APT ...