Boohoo Group PLC (AIM:DEBS), the online retailer trading as Debenhams Group, said it returned to growth in the first quarter as its turnaround programme gathered momentum, with "materially" stronger profitability and cash generation supporting confidence in its outlook for the year ahead. Gross merchandise value grew 0.5% in the quarter to 31 May, with trading accelerating through the period such that May GMV was up around 8%.