Berkshire Hathaway Class A

BRK.A

Market cap $1.06T

Most modern investors, and probably most people in general, know about Warren Buffett, the CEO of Berkshire Hathaway (BRK.A 0.77%) (BRK.B 0.78%). But fewer people know the man who helped to train him, Benjamin Graham.

Warren Buffett will be at the helm of Berkshire Hathaway for just a few more months, but his wisdom and guidance will continue to inspire investors to make sound decisions and stay in the market through volatility.

If you're concerned about Warren Buffett's planned exit as Berkshire Hathaway's (BRK.A 0.77%) (BRK.B 0.74%) chief executive officer at year-end, you're not alone. The conglomerate's shares have underperformed the broad market -- by a lot -- since Buffett made the announcement in May.

Efficient control of underwriting expenses remains vital to BRK.B's insurance strength, fueling float growth, investment power, and long-term value.

Berkshire Hathaway (BRK.A -1.70%) (BRK.B -1.53%) is synonymous with legendary investor Warren Buffett. Buffett, who took over as chief executive officer of the then-struggling textile company in 1965, has delivered investors incredible returns of nearly 20% compounded annually.

Investors who follow Warren Buffett probably already know that his lack of interest in putting Berkshire Hathaway's (BRK.A -1.70%) (BRK.B -1.54%) huge hoard of cash into the market is very likely a warning that most stocks aren't worth buying at their present prices.

The latest trading day saw Berkshire Hathaway B (BRK.B) settling at $488.81, representing a -1.53% change from its previous close.

The countdown is on. Warren Buffett plans to step down as CEO of Berkshire Hathaway (BRK.A 0.06%) (BRK.B 0.05%) at the beginning of 2026.

Earlier this year, Berkshire Hathaway (BRK.A 0.06%) (BRK.B 0.05%) made the announcement that everyone knew was coming, but nobody really wanted to hear. The company's CEO, world-famous investor Warren Buffett, is going to retire at the end of 2025.

No named hurricanes made landfall in the U.S. during September for the first time in a decade.