Buffett’s Berkshire has bigger loss as stocks fall; operating profit sets record

(Reuters) -Warren Buffett’s Berkshire Hathaway Inc on Saturday posted its first overall quarterly loss in a year as the prices of Apple and other stocks it owns fell, but said improvement in its insurance operations boosted operating profit to a record.

Though its businesses fared better overall, Berkshire signaled caution about valuations, as its cash stake swelled to a record $157.2 billion in the third quarter, when it sold $5.3 billion more stocks than it bought.

Berkshire also slowed…