Ahead of today's second anniversary of the 9/11 terrorist attacks on the World Trade Centre in New York, in which 2,645 people perished including 658 employed by Cantor Fitzgerald, the Footsie drifted 11.8 points lower to 4252.1. Wall Street traded 53 points lower, dragged down by high-tech Nasdaq which fell 32 points further following disappointing trading updates from Texas Instruments and Xilinx.