This is CNBC's live coverage of the trial between Elon Musk and Sam Altman in Oakland, California, day three. Read day two's coverage here. What you need to know Elon Musk will continue his testimony on Wednesday as the high-profile trial in his lawsuit against OpenAI CEO Sam Altman enters its third day. Musk sued OpenAI, Altman and Greg Brockman, the company's president, two years ago, alleging they reneged on their commitments to preserve the artificial intelligence lab's nonprofit structure.