Amid a decade-long bid to regain dominance in the fast fashion space, H&M named a new chief executive Wednesday morning, replacing Helena Helmersson with Daniel Ervér, an 18-year veteran of the business who most recently helmed its marquee brand.
Ervér has his work cut out for him. The Swedish chain pioneered the fast fashion model decades ago, but is now caught in a Goldilocks dilemma with its two biggest competitors, Inditex-owned Zara,…