FTSE 100 held back as mining shares struggle By: MarketWatch December 13, 2016 at 03:57 AM EST U.K. stocks sway between small gains and losses Tuesday, with commodity shares acting as a drag on the benchmark FTSE 100. Read More >> Related Stocks: BP Plc ADR Bhp Billiton Ltd ADR Rio Tinto Plc ADR Royal Dutch Shell Cl B ADR