London stocks flat; ARM Holdings falls By: MarketWatch October 19, 2010 at 05:37 AM EDT The FTSE 100 index struggles to push higher on Tuesday, with shares of ARM Holdings down after results from Apple disappoint. Read More >> Related Stocks: Apple Bank of America Barclays Plc ADR Goldman Sachs Group HSBC Holdings Plc ADR International Business Machines Royal Bank Scotland Group Plc