In its annual letter to shareholders, Berkshire Hathaway Inc. (BRK.A) reportednet income of $8.1 billion and revenue of $112 billion for 2009. That's an improvement over the net income of $5.0 billion and revenue of $108 billion in 2008. However, net income in 2007 totaled $13.2 billion.

In dollar terms, the conglomerate's book value rose 19.8% last year to $21.8 billion, or $84,487 per share. That was the best gain since 2003, but trailed the S&P 500's return of 26.5% for the year. More Information. From http://www.bloggingstocks.com/2010/02/28/berkshire-hathaway-annual-letter-offers-good-news-bad-news/