Trump's comments highlight a complex interplay between national security concerns, market competition, and the influence of major social media platforms. While the direct impact on Meta's stock price is uncertain, the potential reduction in competition from TikTok could be seen as a positive development for Meta, especially if regulatory actions against TikTok increase. However, the situation is fluid, and investor sentiment could be influenced by a range of factors including public opinion, regulatory decisions, and Meta's own actions in response.