Shares of Berkshire Hathaway Inc. Cl B shed 0.81% to $452.96 Thursday, on what proved to be an all-around poor trading session for the stock market, with the S&P 500 Index falling 0.17% to 5,699.94 and Dow Jones Industrial Average falling 0.

Read on for a look at the two dividend-paying S&P 500 stocks that account for 42.4% of Berkshire's $315.4 billion stock portfolio.

Warren Buffett's Berkshire Hathaway is buying the rest of its utility unit from the estate of a longtime board member who died three years ago, but it's not clear exactly how much it will pay for the 8% stake.