Warren Buffett Watch

Alex Crippen

Senior Coordinating Producer

Alex Crippen is senior coordinating producer at CNBC.com. He started with CNBC television in 1990. Crippen began his media career in affiliate TV and news radio. He holds a degree in economics from Wesleyan University.

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    Warren Buffett's Berkshire Hathaway is once again adding to its stake in Burlington Northern Santa Fe after taking a break for the last few months. A filing with the SEC minutes ago reveals purchases of Burlington stock today, yesterday and Tuesday. Earlier today, Berkshire disclosed a small purchase on Monday. So, every day of the week so far, Buffett has bought some Burlington. They are the first disclosed purchases since a string of buys that began last spring and ended in October.

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    While I promise not to get into the business of writing about the daily ups and downs of Berkshire Hathaway's stock, I do think it's worth briefly noting that shares of Warren Buffett's holding company had a great day, in stark contrast to Wall Street's great gloom.

  • Just weeks after closing at an all-time high in mid-December, shares of Warren Buffett's holding company Berkshire Hathaway are falling deeper into 'correction' territory.  Berkshire ended today's trading at $126,400 each.  That's down more than 15 percent from the December 10 record closing high of $149,200. Is Berkshire now a bargain?

  • 070807_BurlingtonNorthernMixedFreight.jpg

    Warren Buffett's stake in Burlington Northern Santa Fe is approaching 18 percent after Berkshire Hathaway paid close to $74 million for nearly a million shares on Monday and Tuesday of this week.

  • Berkshire Hathaway's stock has ended 2007 with its biggest annual percentage gain since 1998.  Shares in Warren Buffett's holding company closed just a few minutes ago at $141,600.  That's an increase of 28.7 percent from 2006's close of $109,990.  Berkshire shares haven't done better in any calendar year since 1998, when they soared 52.2 percent.  Check out the 31-year scorecard.

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    The furniture rental subsidiary of Warren Buffett's Berkshire Hathaway is expanding into the United Kingdom.  Cort, "the leading furniture provider in the 'rent-to-rent' industry in the United States," says it is buying England's Roomservice Group, which describes itself as "the UK's leading furnishing solutions provider." The price is not included in the release.

  • After ending 2007 with a gain of almost 29%, their best year since 1998, shares of Warren Buffett's Berkshire Hathaway have been showing some weakness in the New Year. Today's "Ahead of the Tape" column in The Wall Street Journal has an idea about what's pulling down BRK.

  • 070807_BurlingtonNorthernMixedFreight.jpg

    Warren Buffett's Berkshire Hathaway reveals in an SEC filing today that it has bought almost 30,000 additional shares of the freight railroad Burlington Northern Santa Fe.  While this most recent purchase is relatively small, it is Buffett's first Burlington buy since October.

  • Central Park and midtown Manhattan are shown in this aerial view Wednesday, Aug. 29, 2007, in New York. (AP Photo/Mark Lennihan)

    Warren Buffett's brand-new municipal bond insurer, Berkshire Hathaway Assurance Corporation, has sold its first coverage, backing a $10 million bond issued by New York City yesterday.  Ajit Jain, who runs Berkshire's insurance businesses, tells the New York Times, "We're tip-toeing into the market, doing very small deals. We want to see if we can get the pricing that we find acceptable to us. Once we find this is real, we'll put in a lot more capital." He also describes how a call from a New York regulator played a key role.

  • The man who oversees the insurance operations for Warren Buffett's Berkshire Hathaway tells CNBC that Berkshire is talking with troubled bond insurers like MBIA and Ambac about a possible partnership or purchase, although it doesn't sound like anything major is imminent.  Ajit Jain's comment came in response to a question from Erin Burnett in a live interview on CNBC's Street Signs about why Berkshire chose to "build" its own bond insurer rather than buy an existing company like Ambac or MBIA.