Warren Buffett’s Berkshire Hathaway Inc. swung to a loss in the third quarter as a volatile stock market and losses from insurance underwriting offset gains in its manufacturing, service and retail businesses.
The Omaha, Neb., company reported a net loss of $2.69 billion, or $1,832 a class A share equivalent, versus a year-earlier profit of $10.34 billion, or $6,882 a share.