Sales jumped by 18 percent to £56.6 million (€63.7m-$69.8m) in 2018 at Sweaty Betty, but the British fitness apparel brand incurred a pre-tax loss of £710,753 (€799,414-$876,559), compared with a profit of £1.3 million in 2017. The loss was attributed to the investments in new physical stores and digital operations. ...