Weak mining shares drag FTSE 100 lower By: MarketWatch January 22, 2013 at 06:05 AM EST U.K. stocks are mostly lower, with the mining sector staging a pullback and banks trading weaker. Read More >> Related Stocks: BP Plc ADR Bhp Billiton Ltd ADR Lloyds Banking Group Plc ADR Rio Tinto Plc ADR Royal Bank Scotland Group Plc Royal Dutch Shell Cl B ADR