Three large lines of blue-chip stock went through on the ticker to help liven up proceedings. They included 11.6m shares in National Grid Transco as a late trade at 398 3/4p, leaving the price 2p down at 397 1/2p, a line of 8.55m shares in Marks & Spencer at 288 1/2p, the price firming 3 3/4p to 289 3/4p, and 6.25m in Scottish Power, at 372 1/2p, with the price up 3/4p at 371p.