James River $JRVR fell about 18.6% to $3.07 after Q3. The headline: a net loss of $189.4M ($4.08/share), driven by a $181.8M non-cash goodwill impairment. The

James River $JRVR fell about 18.6% to $3.07 after Q3. The headline: a net loss of $189.4M ($4.08/share), driven by a $181.8M non-cash goodwill impairment. The annual reserve review also added $19.2M of adverse development, and the adjusted operating result swung to a $0.10/share loss from a $0.32 p…