Berkshire Hathaway Owns More Than 20% of American Express. Here's What That Means for Individual Investors.

The article is an opinion-style analysis of Berkshire Hathaway’s 22.5% stake in American Express and what that signals to retail investors. It argues Buffett’s long-term ownership acts as a vote of confidence in AmEx’s moat, brand strength, and network effects, while also noting the shares are not cheap at a forward P/E of 19.9. The piece cites strong underlying operating momentum: Q2 net revenue rose 10% year over year to $19.6 billion, payment volume growth accelerated to its fastest pace in three years, and diluted EPS increased 11%. Overall, the market message is constructive for American Express as a high-quality financial company, but the valuation keeps the tone from being outright bullish.