Trump Tariff Letters – Fed Minutes – Nvidia Hits $4 Trillion – OpenAI Plans Own Web Browser – Merck Secures Future in Respiratory Therapy

On Wednesday, July 9, 2025, the major US stock indices closed clearly in positive territory. The Dow Jones rose by 0.5% to 44,458.30 points, the S&P 500 increased by 0.6% to 6,263.26 points, and the tech-heavy Nasdaq Composite rose by 0.9% to 20,611.34 points. The gains were primarily driven by strong tech and pharmaceutical stocks. Nvidia reached a market capitalization of $4 trillion for the first time, which lifted sentiment across the entire tech sector. Additionally, Merck shares rose significantly – triggered by the acquisition...