Oklo's monster run reflects rising market optimism for small reactors -- and their potential role in powering AI computing. But execution won't come easily.Oklo (OKLO -0.24%) has been one of the market's most eye-catching stories this year. The advanced nuclear developer, best known for its compact powerhouse reactors aimed at data centers, industrial sites, and government facilities, has seen its stock rocket in 2025 as investors search for scalable, always-on power for artificial intelligence (AI) computi ...