Catastrophe tests show capital risks to London insurers

A major $200 billion (160.22 billion pounds) loss from a combination of a cyber attack, U.S. hurricane and the failure of a reinsurer could strip insurers of up to 120 percent of their net capital base, tests of insurers in London showed. Nine insurers and reinsurers staged two weeks of catastrophe simulations in London last November, dealing with a cyber attack on power grids across 15 U.S. states, a 16 percent slide in global stocks, a category 5 hurricane over Miami, Florida and the failure o