Why Is MP Materials Stock Gaining Friday?

MP Materials Corp. (NYSE:MP) stock rose nearly 3% Friday, extending gains after company executives and a director purchased about $3.35 million in stock earlier this week. The rare-earth producer outperformed the broader market as the Nasdaq fell 1.99% and the S&P 500 declined 0.85%. The Materials sector also slipped about 0.2%. The gains followed strong quarterly earnings and progress in...