Check out the companies making headlines before the bell. Humana – Shares plummeted more than 22% after the healthcare company released dismal preliminary data for Medicare Advantage in 2025. The company said in its 8-K filing that 25% of its members are currently enrolled in plans rated four stars or higher for next year. This is down from 94% in 2024. Nike – Shares fell 7% after the sports apparel and sneaker company withdrew its full-year guidance. Nike, which saw lower profits and lower profits in its first quarter results, also postponed its day for investors as it prepares to appoint a new CEO. Chinese Stocks – Share prices of Chinese companies continued to rise amid a rise in widespread economic stimulus. E-commerce company JD.com and electric vehicle maker Li Auto both rose more than 9%, while PDD, the parent company of tech companies Baidu and Temu, rose more than 6%. Fellow e-commerce company Alibaba also surged more than 4%. Lamb Weston – Shares of the french fry maker fell 5% after the company warned that demand for restaurant and frozen products appeared soft in the first quarter of its fiscal year. Lamb Weston’s adjusted earnings for the period were 73 cents per share, slightly better than expected. Analysts surveyed by LSEG had expected 72 cents per share. Diamondback Energy – The oil stock rose 3% after Barclays upgraded it from equal weight to overweight. Analyst Betty Jiang said Diamondback has one of the “clearest positive paths of events” and gave a nod to the company’s $26 billion merger agreement with Endeavor Energy Resources Corp. LPL Financial – Shares fell 3.4% after LPL Financial fired CEO Dan Arnold for allegedly violating its “commitment to a respectful workplace.” The company announced that Chief Growth Officer Rich Steinmeier will serve as interim CEO. Harley-Davidson – The motorcycle maker’s stock fell 4% after receiving a downgrade from buy to neutral at Baird. The company cited risks to its third-quarter outlook, including both a weak retail outlook and excess inventory. Energy stocks – Energy company stocks rose following Iran’s missile attack on Israel. Apa Corp. and Marathon Oil both rose more than 2%, and Occidental Petroleum rose more than 1%. — CNBC’s Lisa Kai-Lai Hung, Jesse Pound, Sarah Ming and Michelle Fox Theobald contributed reporting.