Key TakeawaysOpenAI and Stripe have launched "Instant Checkout" in ChatGPT, allowing U.S. users to purchase products directly from Etsy (ETSY) and soon Shopify (SHOP) merchants, signaling a major shift in AI-driven e-commerce and boosting shares of integrated platforms.CSX Corporation (CSX) appointed Steve Angel as its new President and CEO, effective September 28, 2025, amidst activist investor pressure, with the company maintaining its full-year volume growth expectations.The U.S. will impose 100% tariffs ...