Warren Buffett's Berkshire Hathaway Inc. has reported a 62 percent drop in its 2008 net income because investment and derivative losses of nearly $7.5 billion weighed on the results. Buffett detailed his worst year leading Berkshire in the shareholder letter that was issued this morning. Read the annual letter at:
http://www.berkshirehathaway.com/letters/2008ltr.pdf
