Berkshire, DTE Energy, Seaboard, WellCare: U.S. Equity Preview

The following is a list of companies whose shares may have unusual price changes in U.S. exchanges on Nov. 5. This preview includes news that broke after exchanges closed. Stock symbols are in parentheses after company names.

American International Group Inc. (AIG US): The company's former chief executive, Maurice ``Hank'' Greenberg, began a campaign to shake up the insurer's management and may seek the sale of some units, he said today in a filing. The shares of New York-based AIG, the world's largest insurer, rose $2.13, or 3.6 percent, in extended trading to $61.25.

Berkshire Hathaway Inc. (BRK/A US): The investment company controlled by billionaire investor Warren Buffett said third- quarter profit surged 64 percent after gains from its investment in PetroChina Co. The stock rose $1,250 to $132,500 in regular trading.

DTE Energy Co. (DTE US): The owner of Michigan's largest utility said operating earnings excluding synthetic fuel are expected to be $425 million to $450 million this year, down from a previous forecast of as much as $485 million. The stock rose 27 cents to $48.99 in regular trading.

Force Protection Inc. (FRPT US): The largest supplier of blast-resistant trucks to the U.S. Marine Corps said it extended its agreement to pay royalty fees to the Republic of South Africa's Council for Scientific and Industrial Research for the transfer of intellectual property rights, according to a regulatory filing. The stock lost 1 cent to $17.75 in regular trading.

KB Home (KBH US): The homebuilder said Ray Irani resigned from the company's board. No reason was given for the move. The stock fell 77 cents to $25.11 in regular trading.

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