Berkshire Hathaway reports first loss in seven years

It's official. Berkshire Hathaway (BRK.A) lost money last quarter. Warren Buffett mentioned the possibility of a loss at the company' annual meeting, but the complete figures have now been given to the public and filed with the SEC.

Berkshire lost $1.53 billion compared to a profit of $940 million last year. Revenue dropped almost 10 percent to $22.78 billion.