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

On this episode of Stock Movers:

- Delta (DAL) shares are sliding after the company reduced its full-year earnings outlook due to high jet fuel prices stemming from the war in the Middle East.

- Humana (HUM) is surging as the company improved its performance on crucial Medicare Advantage quality ratings that will boost future revenue. Shares of CVS meanwhile fell as ratings for some of its largest plans deteriorated, while UnitedHealth shares were little changed in premarket trading.

- Apple (AAPL) shares are slipping after a report that the company cut component orders for the iPhone 18 Pro and iPhone 18 Pro Max following weaker-than-expected demand.