Berkshire Hathaway's stock price continued its strong upward momentum on Monday, reaching a historic high, with its performance this year far exceeding that of the Large Cap. Its Class A shares rose by 1.8% on Monday, closing at $784,957, while Class B shares rose by 1.6%, closing at $523.01, both setting new historical highs. So far this year, Berkshire's Class A shares have risen by a cumulative 15.3%, while the S&P 500 Index has fallen by 3.2%. Berkshire's ROI over the past 3, 5, 10, and 20 years has far outpaced that index.