Meta's autonomous agent app is losing downloads and daily-user growth, and a short seller is pressing the point; the insider selling, though scheduled months in advance, has run one way. The stock closed near $719, about 8% under Zuckerberg's sale price and far below the Street's highest target, $1,000 at Wells Fargo.

Meta▲+3.29% — Meta, up 3.29 percent today launched Muse, its autonomous AI agent app, on September 8, built to carry out tasks rather than just answer questions 1. It drew five million downloads in 22 days↗, an opening only 23 apps have ever beaten, and topped the US free-app charts 23. By the estimate of Hunterbrook, a short-selling research firm, the run added about $200 billion of market value 3.