Oil firms support FTSE 100 amid U.S. deadlock By: MarketWatch October 14, 2013 at 06:12 AM EDT The U.K.’s FTSE 100 index waver around the flat line as heavyweight oil firms climb, partly offsetting worries about the debt impasse in the U.S. Read More >> Related Stocks: BP Plc ADR Diageo Plc ADR HSBC Holdings Plc ADR Lloyds Banking Group Plc ADR Royal Bank Scotland Group Plc Royal Dutch Shell Cl B ADR