Check out the companies making the biggest moves this midday: Rare earth stocks — This group rose broadly after President Donald Trump said China was holding the world “captive” over minerals and threatening countermeasures. MP Materials traded 13% higher along with USA Rare Earths. The Magnificent Seven — Megacap tech stocks fell Friday after Donald Trump threatened “massive” tariff hikes on China. Each stock in the Magnificent Seven fell more than 1%. Amazon fell more than 3%, Nvidia fell 1.5% and Apple fell 2%. Chinese stocks — Stock prices of Chinese companies traded in the U.S. have fallen sharply following President Trump’s threats against China. Alibaba and Baidu each fell more than 6%. PDD Holdings fell 4%. Rocket Lab — The space company’s stock price rose more than 4% after it won a multi-launch contract with the Japan Aerospace Exploration Agency. The stock has risen more than 23% so far this week. Protagonist Therapeutics — Pharmaceutical stocks rose 34% after the Wall Street Journal reported, citing sources, that Johnson & Johnson was in talks to buy Protagonist. Applied Digital — Shares rose 19% after the data center construction company reported an 84% year-over-year increase in fiscal first-quarter revenue. Doximity — Shares of the medical digital platform fell 7% after JPMorgan downgraded the stock from neutral to underweight. The Wall Street company cited valuation concerns, the competitive environment and the risks of advertising spending on digital pharma. Mosaic — Chemical stocks fell more than 9% after the company reported disappointing preliminary third-quarter results. Mosaic said an unexpected mechanical problem at its Riverview sulfuric acid plant in mid-September caused a power outage at the facility in Bartow, significantly reducing production for the rest of the month. Levi Strauss — Shares of the denim apparel maker fell more than 11% after it announced a weaker-than-expected earnings outlook for the fourth quarter. Levi Strauss expects fourth-quarter earnings to be in the range of 36 cents to 38 cents per share. Analysts surveyed by FactSet had expected 41 cents per share. —CNBC’s Christina Cheddar-Berk, Yun Li, Alex Harring and Sarah Min contributed reporting.
