Festivalgoers help drive Burberry to best sales performance in 18 months

Music fans snap up wellies, scarves and light jackets, with shares rising more than 4% on back of better-than-expected performanceShoppers snapping up Burberry wellies, scarves and light jackets to wear at music festivals have helped the fashion brand to its best sales performance in 18 months despite lacklustre spending by tourists around the world.Sales of the luxury British brand fell by 2% to £433m in the three months to the end of June, with a 1% decline at established stores, an impr