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

On this episode of Stock Movers:

- CoreWeave (CRWV) shares are moving as ti remains at the center of the tech selloff this week. Shares in CoreWeave plunged 20% in the first three sessions of the week as its debt tumbled to levels that typically indicate distress. By Thursday morning, investors were pricing a more than 60% chance of a default within five years.

- Apollo Global Management (APO) shares are responding to a price target downgrade from Morgan Stanley.

- JB Hunt (JBHT) is lower as it aims to improve margins by raising prices after rising costs weighed on third-quarter profitability.