Berkshire reported Q3 operating profit up 34% year on year to $13.49bn, driven by a more than 200% jump in insurance underwriting income to $2.37bn. No share repurchases for a third straight quarter. Cash climbed to a record $381.6bn, up from $347.7bn in Q1, as the conglomerate refrained from major investments or acquisitions and was a net seller of equities, realising taxable gains of $10.4bn.