LONDON—Britains banks took a gloomier view than almost all their European peers in their second quarter earnings, as coronavirus fears, Brexit and low interest rates caused them to bake tougher “worst-case” scenarios into their risk models. Investors had expected a torrid set of half-year results, but Barclays, Standard Chartered, Lloyds, NatWest Group, and HSBC fell short of these low expectations. Provisions for potential loan losses across the five banks topped $22 billion, blowing past analyst forecasts and increasing selling pressure on shares already hammered by the pandemic this year. A Natwest bank in Wimbledon, following the outbreak of the coronavirus disease (COVID-19), London, Britain, May 1, 2020. (Hannah McKay/Reuters) By contrast, Frances BNP Paribas and Credit Suisse beat analyst forecasts, benefiting from bumper trading volumes as well as relatively modest provisions. HSBC and Lloyds were punished for poor results, with shares in both banks plumbing their lowest l..