TradingKey – As of the close on September 21, Eastern Time, Meta (META) stock surged 11.34% in a single day to close at $741.25, marking its largest single-day gain in over a year and boosting the company’s market capitalization by approximately $190 billion in a single day.
From a fundamental perspective, the core driver behind Meta’s stock price surge on Monday was the explosive popularity of Muse. After its launch in September, the AI agent quickly topped the chart of free apps on the Apple App Store in the US. It is capable of completing multi-step tasks such as filling out web forms and shopping, and can be used through a standalone app as well as WhatsApp. Meta also introduced paid subscription plans of $20 and $100 per month,…






