American Express (AXP) stock has dropped more than 2% due to ongoing concerns regarding President Trump's proposed cap on credit card interest rates. Despite these pressures, the company posted a robust quarter with double-digit revenue growth, totaling $72 billion for the year and a 15% increase in earnings per share. American Express is bolstering its competitive position with a planned 16% increase in quarterly dividends and significant investments in marketing and technology, while also aiming for mid-teen EPS growth.