Under Warren Buffett’s watch, Berkshire Hathaway has built up a position in American Express worth over $53 billion today, making it the second-largest position in the portfolio after Apple. American Express is praised for its global brand, dividend, and market leadership, with continued investment in business and technology for future growth.

In 2025, American Express spent $6.3 billion in marketing, leading to a 10% year-over-year increase in revenue and a 16% increase in earnings per share. The company focuses on innovation and technology to enhance customer engagement and retention, with a particular emphasis on personalization through data analytics.

Despite being timeless, American Express is resonating with younger consumers, with Gen-Z spending growing 36% year over year. The company has outperformed the S&P 500, with stock up 201% in the past five years, and continues to invest in capturing market share among younger demographics for future growth.

For investors considering American Express stock, it’s worth noting that the Motley Fool Stock Advisor team did not include it in their list of the 10 best stocks to buy now. However, their total average return is 914%, significantly outperforming the S&P 500, making Stock Advisor a valuable resource for individual investors.

Read more at Yahoo Finance: This Buffett Stock Has Crushed the Market During the Past 5 Years. Here’s Why It’s Still a Buy Today.