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

On this episode of Stock Movers:

-Block (XYZ) shares rally 17% after the financial technology company said it was reducing its workforce by nearly half in a bet on AI.

-Netflix (NFLX) stock jumped Friday after the internet television network abandoned its costly bid to buy the studio and streaming units of Warner Bros. Discovery.

- Nvidia (NVDA) was under pressure after OpenAI announced that it had completed a funding round, raising $110 billion. Key investors include SoftBank and Nvidia, both of which have invested $30 billion each, and Amazon, which took a $50 billon stake in the ChatGPT startup.Nvidia fell more than 3%, extending an earnings sell-off on Thursday.