It’s become a truism in fashion that the middle-market brand — somewhere between Shein at the low end and Hermes at the top — is going extinct. H&M Group chief executive Daniel Ervér would beg to differ.
Six months after assuming the top job at the Swedish fast-fashion giant, where he has worked for nearly 20 years, the company is putting the finishing touches on a strategy meant to pull it out of a half-decade funk. At the heart of his…