Nvidia CEO resigns after national security controversies and chip export probe

Nvidia's CEO has resigned following controversies around personal conduct and national security investigations concerning alleged chip diversion to China. This leadership change caused a significant drop in tech stocks and affected AI hardware companies. The CFO has been named interim CEO to restore confidence and manage key technology investments. Meanwhile, US authorities and lawmakers are investigating possible export control violations related to a Singapore-based partner, with classified briefings requested to assess national security risks. This corporate upheaval has created uncertainty in the semiconductor supply chain and intensified rivalry among chip manufacturers.