Luxury brands including Burberry and Rolls-Royce report strong profits . The FTSE 100 index of leading British shares closed up 0.28 percent at 5,645.97 points. China and other emerging markets seen as key market drivers .
Luxury brands including Burberry and Rolls-Royce report strong profits . Analysts say entire luxury sector is bucking trend of economic downturn . China and other emerging markets seen as key market drivers .