Meta's strong September rally, fueled by the rapid adoption of its Muse personal AI agent launched on September 8, continues to shape trader sentiment heading into the week of October 5. The app quickly topped charts with millions of downloads, shifting focus from heavy AI infrastructure spending—now guided at $130-145 billion for 2026—to early monetization potential through subscriptions and enterprise tools like the new Meta Enterprise Platform. At recent closes near $728, the stock trades well above summer lows but faces volatility from elevated valuations and competition, including OpenAI's recent agent announcements. Q3 earnings, expected around October 28, represent the next major catalyst, with revenue guided between $61-64 billion and ongoing emphasis on ad growth offsetting capex pressures. Broader market moves and any fresh AI capability updates could influence the weekly close.