--- title: "U.S. stock market update: MP Materials down 3.10%" description: "MP Materials fell 3.10%; BHP fell 0.24%, with a transaction volume of USD 787 million; Rio Tinto fell 0.06%, with a transaction volume of USD 688.2 million; USA Rare Earth fell 3.04%, with a transacti" type: "news" locale: "en" url: "https://longbridge.com/en/news/255256814.md" published_at: "2025-08-29T18:03:01.000Z" --- # U.S. stock market update: MP Materials down 3.10% > MP Materials fell 3.10%; BHP fell 0.24%, with a transaction volume of USD 787 million; Rio Tinto fell 0.06%, with a transaction volume of USD 688.2 million; USA Rare Earth fell 3.04%, with a transaction volume of USD 608.7 million; Piedmont Lithium fell 3.39%, with a market value of USD 16.9 billion **U.S. Stock Market Midday Update** MP Materials, down 3.10%, has seen a 196.63% increase over the past six months. Based on recent key news: 1. On August 27, MP Materials halted exports of raw materials to China, leading to a rise in rare earth prices. This move tightened supply and drove prices up. 2. On August 28, MP Materials' stock rating was given a moderate buy by 11 Wall Street analysts, with a target price of $72.55, indicating a 1.21% upside from current levels. 3. On August 29, MP Materials will participate in the Jefferies Industrial Conference, with Chief Financial Officer Ryan Corbett representing the company. Rare earth prices are rising amid escalating geopolitical tensions. **Top Stocks by Industry Trading Volume** BHP, down 0.24%, with a trading volume of $78.7 million. Based on recent key news: 1. On August 28, BHP responded to union concerns regarding truck safety, stating that automation has improved personnel safety at the Escondida mine in Chile. This statement aimed to alleviate market concerns about safety issues but failed to fully dispel investor doubts, leading to a slight decline in stock price. 2. On August 27, the union at BHP's Escondida copper mine in Chile reported safety risks following an incident involving autonomous trucks. This news raised market concerns about the company's operational safety, resulting in a drop in stock price. Rio Tinto, down 0.06%, with increased trading volume. Based on recent important news: 1. On August 27, Rio Tinto announced a reorganization into three main business units: iron ore, aluminum and lithium, and copper, aimed at enhancing operational performance. This move is seen as a key step by the new management to drive the company's transformation, causing stock price fluctuations. 2. On August 28, the U.S. imposed tariffs on Canadian aluminum products, resulting in $321 million in costs for Rio Tinto in the first half of the year, impacting the company's profitability. 3. On August 26, senior executives from China Aluminum Group met with Rio Tinto to discuss deepening strategic cooperation, eliciting mixed market reactions. Aluminum prices are rising, with significant tariff impacts. USA Rare Earth, down 3.04%, with a trading volume of $60.87 million. Based on recent key news: 1. On August 27, USA Rare Earth occupies an interesting position in the current uncertain geopolitical environment, raising market concerns about its future performance, leading to a decline in stock price. 2. On August 27, Basin Energy Ltd announced the acquisition of uranium and rare earth assets in Queensland and plans to raise AUD 1.25 million at a price of AUD 0.025 per share, increasing market attention on the rare earth industry and indirectly affecting USA Rare Earth's stock price 3. On August 28, China introduced rare earth export restrictions in April, which had a significant impact on the global rare earth supply chain and further intensified market concerns about USA Rare Earth. The rare earth industry is significantly affected by geopolitical and policy changes. **Stocks ranked at the top of the industry by market capitalization** Piedmont Lithium fell 3.39%, with a market capitalization of $16.9 billion. No recent news on lithium industry fluctuations, investment should be cautious ### Related Stocks - [MP.US - MP Materials](https://longbridge.com/en/quote/MP.US.md) ## Related News & Research | Title | Description | URL | |-------|-------------|-----| | How US–China tensions fuel rare earth 'supply-squeeze' fears | US–China tensions are impacting rare earth stocks, including MP Materials, USA Rare Earth, and Critical Metals, as China | [Link](https://longbridge.com/en/news/261111646.md) | | Check Out What Whales Are Doing With MP Materials | Whales with a lot of money to spend have taken a noticeably bullish stance on MP Materials. 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