BusinessAdidas steps ahead with profits on the riseSuperstar performer: Adidas, which counts Taylor Swift as a fan, has posted a 17% sales riseAFP/Getty ImagesLucy Tobin3 November 2016Taylor Swift and Gigi Hadid are sporting Adidas Superstar and Stan Smith trainers, the German sports brand is back in vogue, and on Thursday its third-quarter profits had an extra spring in their step.The firm’s sales — which include the Adidas brand, Reebok and golfing company TaylorMade — rose 17% and operating profit raced ahead by 11% to €563 million (£506 million). Sales in the crucial North America market grew 20%, but that was down from 26% in the previous quarter — a trend seen by rival Nike.But Reebok is out of fashion and new chief executive Kasper Rorsted said Adidas will swallow one-off costs of €30 million to try to revamp the brand.Fitbit, the sports technology firm, plunged 30% on Wall Street after its growth and profits slowed in the third quarter.It posted a $45.7 million (£37 million) post-tax quarterly profit, down from $59.2 million a year earlier. MORE ABOUTAdidas