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

On this episode of Stock Movers:

- Bumble (BMBL) unveiled a new artificial intelligence-powered assistant designed to act as a personal matchmaker, the company’s latest effort to reinvigorate itself at a time when many users have shown dating-app fatigue.

- Dollar General (DG) shares fall after the retailer gave underwhelming annual and long-term forecasts after the stock’s 9.1% advance year-to-date through Wednesday’s close. 

- Petco (WOOF) shares soar as the pet health and wellness company’s adjusted Ebitda forecast for the first quarter beat the average analyst estimate. Jefferies upgrades rating noting that shares underappreciate the progress made thus far.  

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