Warren Buffett's Berkshire raises stake in world's largest airline

Billionaire Bill Ackman's Hedge Fund Just Bought These 2 Financial Stocks That Warren Buffett-Led Berkshire Hathaway Sold in Q1. Here's What History Says Investors Should Do.

Billionaires Battle on One Stock: Warren Buffett’s Berkshire Sells While Dan Loeb Loads Up

Warren Buffett's Berkshire doubles down on undervalued retail stock

Warren Buffett Is Still Making Big Bets at Berkshire

Warren Buffett and Greg Abel Keep Overlooking This Stock -- but It's One of the Most Berkshire-Ready Picks on the Market