Bing Guan / Bloomberg / Getty Images Qualcomm shares have lagged the performance of major tech company stocks in 2025. Key Takeaways Qualcomm's acquisition of Israel-based auto-safety chipmaker Autotalks is said to be under investigation by Chinese regulators. Shares of the Qualcomm were down more than 4% in midday trading. Qualcomm (QCOM) shares declined Friday following news Chinese regulators have opened an antitrust investigation of the chipmaker’s June purchase of Israel-based car safety semico ...