Berkshire Hathaway shares drop more than 4% after poor fourth-quarter results, no bold moves by new CEO Abel

Class A shares of the Omaha-based conglomerate slid 4.8% to start the week. The stock's decline came after Berkshire posted operating earnings of $10.2 billion for the fourth quarter, down more than 29% from $14.56 billion a year earlier. The drop was driven largely by weakness in the insurance business, where underwriting profits tumbled 54% to $1.56 billion from $3.41 billion in the year-earlier period.Berkshire Hathaway shares fell Monday after the conglomerate reported a sharp decline in fourth-quarter ...