On this episode of Stock Movers:

-Apple (AAPL) shares sink after the iPhone maker warned that rising component costs are threatening to squeeze margins. The company also posted its largest first-quarter sales growth in over four years, driven by strength in its closely-watched iPhone segment.

-Tesla (TSLA) shares rise after news that SpaceX is considering a potential merger with the company, as well as an alternative combination with artificial intelligence firm xAI. 

-American Express (AXP) shares drop after the credit card company reported earnings per share for the fourth quarter that missed the average analyst estimate.

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