Here’s a look at the biggest companies in pre-market trading: Boeing – Shares of Boeing rose 4% after the plane maker struck a deal with unions representing workers at its factories that could avert a costly strike. MarineMax — Shares of MarineMax rose 6% after Citi upgraded the stock to buy from neutral. The company highlighted the benefits of a lower interest rate environment and limited downside risks. Palantir Technologies and Dell Technologies — Shares of Palantir and Dell rose 8% and 5%, respectively, after announcing after the bell on Friday that they would join the S&P 500. Palantir will replace American Airlines, and Dell will replace Etsy. Merck — Shares of Merck fell 2% after rival Summit Therapeutics announced results from a Phase 3 trial of a lung cancer drug. Summit said its product achieved “clinically meaningful benefits” compared with Merck’s Keytruda. Summit shares soared more than 30%. Arm Holdings – The chip stock rose nearly 3% after the Financial Times reported that Apple will use Arm’s artificial intelligence chip technology in the iPhone 16, set to be released on Monday. United States Steel — Shares of United States Steel rose about 3% after JPMorgan upgraded the industrial stock to overweight from neutral. The company believes the recent pullback marks a buying opportunity on supported valuations and expects the share price to pull back further if its planned sale to Nippon Steel fails. JetBlue Airways — JetBlue Airways shares rose 2% after Bank of America upgraded the stock to neutral from underperform and raised its price target, citing improving conditions including lower fuel prices. The rating change also comes after JetBlue raised its third-quarter revenue forecast last week. —CNBC’s Jesse Pound, Hakyung Kim, Sarah Min and Sean Conlon contributed reporting.
