Entrepreneur Elon Musk has signed a petition to reinstate Jensen Huang as head of Nvidia. According to Forbes, amid the investigation of Huang's alleged connections with Chinese intelligence, the company's shares fell 5.5%, and the businessman's fortune fell by $7.4 billion overnight, to $154.7 billion. Previously, the board initiated an independent audit, and investors filed a class action lawsuit against the company and Huang for withholding information.