Shares of Berkshire Hathaway Inc. Cl B rallied 1.35% to $424.44 Friday, on what proved to be an all-around great trading session for the stock market, with the S&P 500 Index rising 0.55% to 5,615.35 and the Dow Jones Industrial Average rising 0.

Shares of Warren Buffett's Berkshire Hathaway are headed for their first records in months. Class A shares recently traded above $637,000, higher than their March 28 record close of $634,440. The lower-priced Class B stock traded above $423,

Berkshire Hathaway’s equity portfolio has moved above $400 billion led by a recent surge in the company’s largest holding, Apple, which hit a record high Tuesday.The rising value of the Berkshire equity portfolio,

This was the stock's second consecutive day of gains.

Few stocks have performed as well as Berkshire Hathaway ( BRK.A -0.29%) ( BRK.B -0.40%). Since 1965, shares have increased in value by nearly 4,000,000%! A $10,000 investment would now be worth more than $350 million.