(Reuters) - Warren Buffett's Berkshire Hathaway Inc
Net income for the Omaha, Nebraska-based insurance and investment company fell to $4.01 billion, or $2,442 per share, from $6.4 billion, or $3,889 per share, a year earlier.
Quarterly operating profit fell 10 percent to $3.89 billion, or $2,367 per share, from $4.33 billion, or $2,634 per share.
(Reporting by Jonathan Stempel in New York)