MP Materials shares remain in focus after soaring 20% yesterday on news that Apple plans to invest $500 million in the rare earths firm, news that came just days after the Department of Defense took a stake in the company.

MP Materials Corp., a rare earth materials company, is seeing its stock price rise on news of a major commitment from tech giant Apple.

TSMC shares rose 4% in premarket trade as the contract chip manufacturer lifted its 2025 sales guidance. Sarepta Therapeutics stock jumped 34% as the company set plans to lay off more than a third of its workforce following two patient deaths.

MP Materials shares are trading lower in after-hours Wednesday after the company announced a proposed public offering.

MP Materials has a large amount of cash at hand and strong demand for rare earth magnets, with new partnerships announced. Read why I'm rating MP stock a buy.

MP Materials, which has the only operational rare earths mine in the U.S., has drawn interest as a challenger to China's dominance from investors ranging from the Pentagon to tech giant Apple in recent days.

Shares of rare-earth miner MP Materials have rocketed to record highs in almost no time in a story that include the Defense Department and Apple.

Johnson & Johnson (JNJ) shares tick higher in pre-market trading after the company raised its full-year earnings and sales guidance, though looming pharmaceutical tariffs from President Trump remain a key risk for the sector.