Today's biggest winners and losers in the stock market. 

On this episode of Stock Movers, we take a look at some of the week's biggest gainers and decliners:

- Meta (META) rallied on the week after unveiling a palm-sized, dedicated gadget for using Muse, the company’s popular new artificial intelligence assistant, pushing deeper into the AI devices market with a surprise announcement. 

- Gen Digital (GEN) shares dropped as much as 25%, their worst weekly drop since 2020, after reporting an offer to take over the web domain provider GoDaddy, aiming to widen its business beyond cyber security and privacy technology.

- Moderna (MRNA) surged 29% after confirming additional data on personalized cancer vaccine.