Check out the companies making headlines before the bell: Netflix — Shares fell 2% after Netflix warned that operating margin in the second half of 2025 will be lower than the first half because of higher content amortization, as well as sales and marketing costs, because of a larger slate of content. Otherwise, the streaming company beat on the top and bottom lines. Chevron , Hess — Chevron shares rose 3%, while Hess jumped more than 7%. The moves come after Chevron won against Exxon Mobil in a dispute over Hess’s offshore oil assets in the South American nation of Guyana. That clears the path for Chevron to complete its $53 billion acquisition of Hess. Sarepta Therapeutics — The biopharmaceutical stock fell 24% after trade news and data provider BioCentury reported that a patient died after receiving treatment during a Phase 1 study. A Sarepta spokesperson told BioCentury that the death was due to acute liver toxicity. Union Pacific , Norfolk Southern — Shares of Union Pacific and Norfolk Southern rose 0.4% and roughly 4%, respectively. The move comes after The Wall Street Journal, citing people familiar, reported railroad operator Union Pacific is …
