Elon Musk has urged major AI research groups and Chinese companies to run checks on other labs' systems. He issued the request while some people in the technology industry are asking for a pause in AI development. Musk himself holds big stakes in AI ventures. Tesla shares dropped after his remarks. Musk also featured at the top of Forbes' yearly list of the wealthiest Americans. He brought up once more his proposal to merge Tesla and SpaceX. Separately, reports say sexually abusive imagery of children persists on X, even though Musk committed to fixing it.