Intertek leads FTSE 100 to second day in the red By: MarketWatch May 16, 2014 at 05:43 AM EDT Shares of Intertek slump on Friday after cautious guidance from the product-testing company, leading the U.K.’s FTSE 100 index lower for a second straight day. Read More >> Related Stocks: Bhp Billiton Ltd ADR Rio Tinto Plc ADR