Buffett's Legacy: Lessons from the Oracle of Omaha

Warren Buffett, also known as the Oracle of Omaha, has stepped down as chairman of Berkshire Hathaway after leading it for over six decades. During his tenure, Berkshire Hathaway delivered a compounded annual gain nearly double that of the S&P 500.

Berkshire Hathaway operates as a holding company with a vast portfolio of wholly owned businesses and a large investment portfolio, including stakes in Apple (AAPL), Alphabet (GOOGL), and Japan's major trading houses. Buffett's investing philosophy emphasizes letting compounding work over decades and viewing market volatility as an opportunity rather than a threat.

He prefers low-cost index funds and believes that most individual investors struggle to consistently beat the market. In 2007, Buffett made a public bet that a simple S&P 500 index fund would outperform a hand-picked portfolio of hedge funds over the 10-year period from 2008 to 2017.

Buffett looks for businesses with an 'economic moat,' or a durable competitive advantage that protects long-term profitability from competitors. He favors companies he understands, with honest and capable management, consistent earnings power, and strong returns on capital. Berkshire's equity portfolio now totals more than $350 billion.