Meta Platforms shares are rallying sharply on October 12 as fresh AI announcements and strong early metrics for its Muse AI agent lift sentiment ahead of the October 28 earnings report. CEO Mark Zuckerberg stated the company has reached the AI frontier with new Muse Wonder models that match or exceed leading systems from OpenAI and Anthropic on select benchmarks, while Muse posted 73% Day-1 retention and five million downloads shortly after its September launch. Analyst notes from Cantor Fitzgerald and Wells Fargo reinforced long-term confidence despite a modest price-target adjustment, and a competitive move restricting ByteDance ad purchases on Meta platforms added support. Traders are monitoring whether the momentum sustains through the close amid heavy AI infrastructure spending and pre-earnings positioning.