Delta, United, Other Airline Stocks Fall on Trump’s Credit-Card Plan. Why It’s Overdone.

Core Viewpoint - Delta Airlines received $2 billion from American Express in the third quarter, indicating strong financial support from credit card partnerships [1] Group 1: Company Performance - Delta Airlines' significant revenue from American Express highlights the importance of credit card partnerships in the airline industry [1] - Airline stocks, including Delta and United, experienced a decline as investors reacted to President Trump's proposal for a 10% cap on credit card interest rates, which could impact revenue streams [1] Group 2: Industry Impact - The proposed cap on credit card interest rates may lead to increased scrutiny on credit card companies and their partnerships with airlines, potentially affecting future revenue models [1] - The overall airline industry is facing volatility as market reactions to regulatory changes could influence stock performance [1]