Today's biggest winners and losers in the stock market, a look at the notable movers:
On this episode of Stock Movers:

- Meta Platforms (META) shares are up 2.7% on Wednesday, with investors looking ahead to the Facebook parent’s upcoming Meta Connect event, which comes amid high excitement for the company’s Muse AI agent. Muse was downloaded more than 902,000 times in the six days after Meta introduced it on Sept. 8, and is available for people 18 years and older. Muse lets people create customized AI agents that can complete digital tasks on a user's behalf, and its early popularity may show that Meta's vision of making personalized AI assistants is resonating with consumers.

- McDonald’s (MCD) shares fall as much as 5.9% to the lowest intraday level since Oct. 2022, after the company projected a step-up in capital expenditures. In addition, during the investor day presentation, CFO Ian Borden said the chain expects its US business to be “slightly negative” in the third quarter.

- Royal Caribbean (RCL) shares drop as much as 5.4% on Wednesday after the cruise line operator announced it acquired a 50% stake in Sandals and Beaches Resorts for approximately $3 billion in cash. Some on Wall Street are skeptical of the deal as they say operating an all-inclusive land-based asset is much different than running a cruise ship, though Jefferies’ David Katz says the acquisition should strengthen RCL’s Caribbean presence. The shares fell 6.1% on Tuesday following a report that Royal Caribbean was close to a deal.