MP Materials launched a $500M public offering of common stock, and expects to grant a 30-day underwriters option to purchase ...

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

MP Materials inks $500M deal with Apple to make rare earth magnets, as Pentagon backs domestic mining to reduce China ...

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