• This is the transcript of a segment on this morning's Squawk Box, in which Warren Buffett chatted by telephone with the Squawk team and guest host Jack Welch, the former Chairman and CEO of CNBC parent General Electric.  Among the topics:  Merrill Lynch's big write-down, the SIV "super fund", the health of the U.S. economy, the railroad industry and why lots of furniture-buyers in Boston are hoping the Red Sox win the World Series.

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    This morning on CNBC's Squawk Box, Warren Buffett chatted by telephone with the Squawk team and guest host Jack Welch. Becky Quick is traveling with Buffett in China, and put him on the phone to react to news this morning that Merrill Lynch had to write-down almost $8 billion in bad bets on mortgage securities and leveraged loans.

  • Riding The Rails Thursday, 18 Oct 2007 | 7:01 PM ET

    Earlier this year, this industry took a big hit on concerns about the housing market, but on Thursday Union Pacific (UNP) proved the railroads can still make a lot of money moving fertilizer, coal and auto parts around this county. Here’s why you may have another chance to ride the rails.

  • CSX Profit Up on Better Per-Carload Revenue Tuesday, 16 Oct 2007 | 6:03 PM ET

    U.S. railroad CSX posted a better-than-expected profit Tuesday, citing higher revenue per carload that offset lower freight volumes. The company reported third-quarter net income of $407 million, or 91 cents per share, compared with $328 million, or 71 cents per share, a year earlier.

  • All Aboard! Tuesday, 9 Oct 2007 | 3:40 PM ET
    Amtrack 571

    "So when I slip it into gear, is that when you start screaming?" It's a question I ask Jake the engineer with a smile on my face, just before I start this behemoth of American muscle rolling down the tracks. "Flip the lever sideways,'" he says. "Blow the horn."

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    Warren Buffett's Berkshire Hathaway raises its Burlington Northern Santa Fe stake by exercising 7.8 million options to buy stock.

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    Warren Buffett's Berkshire Hathaway holding company has bought some more call options on Burlington Northern Santa Fe, but not nearly as many as revealed in another filing earlier this month.

  • Why Warren Buffett is Riding the Rails Friday, 7 Sep 2007 | 12:00 PM ET

    WBW has been reporting extensively on Warren Buffett's repeated purchases of Burlington Northern stock. Today there are a couple of pieces on the web exploring what makes Burlington and the railroads attractive.

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    It's becoming increasingly apparent that Warren Buffett is in the process of putting a big bet on the Burlington Northern freight railroad.  In an SEC filing late tonight, Warren Buffett's Berkshire Hathaway indicates it plans to raise its stake to 17% and it has told Burlington its stake could hit 25%.

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    Warren Buffett's Burlington Northern has bought more shares in the freight railroad Burlington Northern, the fourth round of buying this month.

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    For the third time this month, Warren Buffett's Berkshire Hathaway holding company has reported boosting its stake in the freight railroad Burlington Northern, more evidence that Mr. Buffett sees the stock as undervalued.  And this third round of purchases is much bigger than the previous two.

  • Warren Buffet

    Warren Buffett's Berkshire Hathaway has just revealed its portfolio holdings for the second quarter.  New additions:  Bank of America and Dow Jones, plus increased stakes in some healthcare names.

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    In a filing with the SEC late today (Friday) reported first by CNBC, Berkshire Hathaway reveals that as the stock price of Burlington Northern fell in recent days, Warren Buffett was adding to his stake in the freight railroad. PLUS More on how Buffett is keeping his 'neutrality' as the great Hillary-Obama battle warms up.

  • Rail Stocks Rally After Another Warren Buffett Buy Monday, 20 Aug 2007 | 4:48 PM ET

    Burlington Northern and two other rail stocks owned by Warren Buffett rallied strongly today (Monday) after another vote of confidence from Mr. Buffett.  As we first reported late Friday, Warren Buffett appears to remain bullish on Burlington. His Berkshire Hathaway holding company revealed in an SEC filing that it bought another 1.4 million shares last week at $76.50 and $78.96.

  • Warren Buffett's Berkshire Hathaway further increased his stake in Burlington Northern Santa Fe to about 42.05 million shares, according to U.S. regulatory filing on Friday.

  • Buffett Boosts Bet on Burlington Wednesday, 8 Aug 2007 | 11:43 AM ET

    Burlington Northern shares are picking up speed on Wall Street, after Warren Buffett added to his bet on the railroad. Buffett's apparent optimism on the rails gives Fast Money's Guy Adami an idea.  PLUS: Why Geico's Gecko may be going back to Massachusetts.

  • The huge market swings yesterday--including a 200 point rebound in the Dow during the last half hour--may have had some traders chugging Maalox. But others thrive on the roller-coaster ride. Don't look for the big ups and downs to stop anytime soon.

  • BNSF Quarterly Profit Slips on Fuel Charges Tuesday, 24 Jul 2007 | 9:15 AM ET

    U.S. railroad Burlington Northern Santa Fe said on Tuesday that quarterly net profit fell as a result of higher fuel expenses.

  • Pricing Lifts Union Pacific Quarterly Profit Thursday, 19 Jul 2007 | 9:14 AM ET
    A Union Pacific steam.

    Union Pacific, the biggest U.S. railroad, reported a better-than-expected rise in profit Thursday due to improved efficiency and strong pricing despite slower U.S. economic growth and bad weather.

  • Billionaire Buying Spree Friday, 18 May 2007 | 6:16 PM ET

    Amid the roaring bull market, three big investors disclose details of some big trades within their huge portfolios.