Oil and banks weigh on FTSE 100, which heads for a solid August gain By: MarketWatch August 31, 2021 at 09:39 AM EDT On the last trading day of the month, London's main index was being dragged by losses for banks and energy giants. Read More >> Related Stocks: BP Plc ADR Ferguson Enterprises Inc HSBC Holdings Plc ADR Royal Dutch Shell Plc ADR