$NVDAB stock tumbled following a company-wide memo where CEO Jensen Huang admitted to an extramarital affair with Alice Huang, a Singapore-based executive alleged by U.S. intelligence to be a Chinese spy. The Nvidia board of directors has launched an independent investigation to ensure no company or state secrets were compromised, though Huang remains in his role. Shares dropped between 4% and 6% as investors react to the sudden leadership scrutiny amidst ongoing political debates over AI chip export controls.