Meta Stock Climbs On Open-Source Model Launch; Zuckerberg Criticizes AI Rivals

Meta Platforms (META) Chief Executive Mark Zuckerberg warned Monday against a "concentration of power" in AI as the social media giant introduced a new open-source large language model. Meta stock rose premarket. The Facebook parent company's new Muse Glimmer AI model will be capable of "agentic" tasks while being offered under an open source license, the company said in a…