Resource firms boost FTSE 100 By: MarketWatch December 12, 2012 at 05:18 AM EST Resource firms lead U.K. stocks higher on Wednesday, as most commodity prices are on the rise, while investors await news from the U.S. about future asset purchases. Read More >> Related Stocks: BP Plc ADR Barclays Plc ADR Bhp Billiton Ltd ADR Royal Bank Scotland Group Plc Royal Dutch Shell Cl B ADR