MP Materials, which runs the only American rare earths mine, announced a new $500 million agreement with tech giant Apple on Tuesday to produce more of the powerful magnets used in iPhones as well as other high-tech products like electric vehicles.

Shares of USA Rare Earth stock are down 7.1% through 1:55 p.m. ET Wednesday, and the reason is simple: USA Rare Earth is not MP Materials. Not even close.

MP Materials’ goal to become a national rare-earths “champion” that can go toe-to-toe with China was turbocharged by Pentagon investment and an Apple deal. But its journey there highlights the hurdles American producers face.

The coal company has started excavating its Wyoming critical minerals find. CEO Randy Atkins doesn’t want the Pentagon’s money, but he does want a U.S. strategic reserve.

U.S. efforts to break China's dominance of the rare earths market and to drive investment in its own industry have moved up a gear with a Washington-backed plan to create a separate, higher pricing system.

The $400 million investment will create a domestic supply chain for materials used in fighter jets and missiles.

USA Rare Earth, Inc. USAR +23.5% + Free Alerts is another U.S.-based company involved in the mining, processing and supply of rare earth elements and other critical minerals. Founded in 2019 and headquartered in Stillwater, Oklahoma, USARE is working to develop a vertically integrated domestic supply chain for rare earth element magnet production.

Nvidia's planned resumption of sales of its H20 AI chips to China is part of U.S. negotiations on rare earths, Commerce Secretary Howard Lutnick said, and comes days after its CEO met President Trump.

Gracelin Baskaran of CSIS says Japan's push to develop deep sea rare earth mining manufacturing capabilities are crucially needed. She also discusses the various issues surrounding deep sea mining, such as maritime security and environmental concerns.