AI dominated by a few firms risks market abuse, Mistral CEO says https://www.bloomberg.com/news/articles/2026-02-19/ai-dominated-by-a-few-firms-risks-market-abuse-mistral-ceo-says?taid=6997186cc3409600017a4591&utm_campaign=trueanthem&utm_content=business&utm_medium=social&utm_source=twitter