Berkshire Hathaway takes $400M stake in pipeline firm

Billionaire investor Warren Buffett's company acquired a nearly $400 million stake in a Houston, Texas-based pipeline operator, according to a federal securities filing.

With the purchase, Omaha, Neb.-based Berkshire Hathaway owns 26.5 million shares of Kinder Morgan.

According to USA Today, the investment appeared to be another case of Buffett buying low. Kinder Morgan's stock fell 53 percent during the fourth quarter to end the year at $14.92.

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