mr. lamont: i think retailers have to change their model but i am not a businessman. ne: as a former chess free a thing or two to say. norman lamont stays with us. up next, they prepared to mark the 25th anniversary of black wednesday. we speak to the man who was chancellor. he is lord lamont. this is bloomberg. ♪ welcome back to our weekly brexit show. let's check in on markets. mark: the latest north korean missile launch to a large extent being shrugged off by markets. the stoxx 600 on track for a weekly increase of 1.7%, the most for two months. containing that trend of alternating between weekly losses and gains that started 8 weeks ago. sterling price remain supportive of further upside, having extended thursday's gain, the most in five months yesterday after boe suggest rates could be raised in coming months. 1.3450 was the one year high today according to bloomberg fx. risk reversal is on one-month, 22 basis points in favor of pound called, the highest since 2009 spread over two months. this is this chart. chart dynamics adjuster run on june3566, the high 27 la