Warren Buffet's holding company. How do you value Berkshire Hathaway? Hold off buying BRKA Until Buffett Steps Down? The Ultimate Berskshire Hathaway Annual Meeting Guide. Warren Buffett Loves It When People Short BRKA

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On April 8, 2007,Warren Buffett's Berkshire Hathaway (BRKA, BRKB), disclosed that it has a 109% stake in Burlington Northern Santa Fe Railroad (BNI).

Carl Icahn has a major stake in CSX. From article on CSX stock buyback (May 9, 2007): Railroad operator CSX Corp. said Tuesday it will repurchase an additional $1 billion in company stock, raise its dividend by 25 percent and make $6.4 billion in capital expenditures over the next four years. The additional share repurchases raise its current buyback program to $3 billion through the end of 2008, which is equivalent to about 15 percent of the company's total market capitalization. The company also said it would raise its quarterly dividend beginning in September to 15 cents from 12 cents and plans to invest $6.4 billion in its operations over the next four years.

On May 14, 2007, Jim Cramer owned UNP for Action Alerts Plus, his charitable trust. Union Pacific Sued for Price Fixing - May 17, 2007 Omaha Public Power wants $7 million for breach of contract from UNP (May 17, 2007). Union Pacific Corporation, through its subsidiary, Union Pacific Railroad Company, provides rail transportation services in North America. The company has approximately 32,339 route miles linking Pacific Coast and Gulf Coast ports with the Midwest and eastern United States gateways, and provides various corridors to Mexican gateways. It offers transportation services for agricultural products, automotive, lumber, steel, paper, food, chemicals, coal, and industrial products, as well as for finished vehicles and intermodal containers. Union Pacific Corporation was founded in 1862 and is based in Omaha, Nebraska.

May 16, 2007 - Warren Buffett revealed that Berkshire owns 1.6% of Norfolk Southern. On Tuesday, Buffett's Berkshire Hathaway Inc. revealed that at the end of March it held 6.4 million shares of Norfolk Southern valued at about $322 million, giving it the ninth-largest stake in the Norfolk-based railroad.

Bill Gates investment company, Cascade Investments holds a substantial stake in CNI. Canada's largest railroad. It could benefit from improving financials in rails. CN signs agreement with COSCO Container Lines to route Asian container traffic through Prince Rupert terminal>, making CNI a player in transportation of goods from Asia.

Major rival of CNI. Canadian Pacific railroad workers go on strike - May 17, 2007.