Shares of MP Materials Corp. jumped as much as 18% in midday trading on 15 July, climbing from around $50 to roughly $59 and moving within a dollar of the rare-earth miner’s $60 all-time high. The rally, highlighted by retail trading chatter, spilled over to peer names such as TMC, which traders cited as benefiting from broader strength across the rare-earths group. No immediate fundamental news or company-specific announcements accompanied the sharp move.