Apple is well known as Warren Buffett's largest investment at Berkshire Hathaway. It has netted shareholders over $100 billion in gains, making it one of the most successful investments ever. However,

Warren Buffett has been on a selling spree and recently trimmed his two biggest holdings: Apple and Bank of America. Buffett caught many investors by surprise when he trimmed his Apple position,

Chubb trades at a hefty price-to-book value of 1.75, which is near the high end of its five-year median. Still, given its record revenue and earnings, robust balance sheet, and shareholder-friendly history, the stock appears deserving of its high valuation.