Greg Abel Has 75% of Berkshire Hathaway's Portfolio Invested in Just 8 Stocks. Is the 1 That's Lagging Behind the S&P 500 the Best Buy Now?

Under new CEO Greg Abel, Berkshire Hathaway has concentrated 75% of its $365.2 billion equity portfolio into 8 stocks. American Express is the only one lagging the S&P 500 over the past year due to margin compression from high cardholder rewards and marketing expenses. Despite these headwinds, the article argues American Express offers compelling value at 19.7x trailing earnings for long-term investors who believe in its business model.