Online retailer Boohoo has posted a 43% jump in first-half sales to GBP564.9m (US$702.1m) at a time when many UK retailers are battling slow-to-no sales growth. It marks the first time in the group's history that revenues have exceeded GBP1bn over a 12-month period. And with the recent acquisitions of women's pureplay retailer MissPap and British high street brands Karen Millen and Coast, its success shows no sign of waning anytime soon.