Billionaire investor Leo KoGuan, known for his significant stake in Tesla, has purchased 1 million shares of NVIDIA, spending approximately $180 million. KoGuan announced his acquisition on social media, expressing confidence in the AI sector's growth potential, stating, "I firmly believe AI is not a bubble; this is just the beginning." NVIDIA shares closed at $180.05 on Tuesday. KoGuan, whose net worth is estimated at $12.8 billion, indicated plans to acquire an additional 1 million NVIDIA shares to support the market. His investment underscores a strong belief in the future of AI technologies, despite market anxieties.