This Warren Buffett stock just reached its all-time high

One of Warren Buffett’s largest stock assets, which he has held onto for over two decades, has recently witnessed impressive price increases, culminating with a new all-time high (ATH) and promising massive profits for the renowned investor and Berkshire Hathaway (NYSE: BRK.A) CEO.Specifically, American Express (NYSE: AXP) is among Buffett’s stocks that have recorded positive gains throughout 2023, having advanced by 27.3% over the year and has more recently broken its own price record, hitting $203.88 on J ...