Berkshire Hathaway earns $6.89 billion
Berkshire Hathaway reported second quarter earnings of $6.89 billion on Saturday, up from $4.12 billion a year ago.
Railroads, utilities and energy added $1.89 billion while the insurance business added $943 million.
The bulk of the gain, however, was in the company's stock portfolio, which added $4.5 billion.
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