Gen Z's favorite fast-fashion retailer Shein sells a lot more than dresses and swimsuits. You can now shop for home appliances, garden supplies, pet accessories, and fishing gear. In June ...

Shein's success lies in volume - the inventory online runs into the hundreds of thousands - and deep discounts: £10 dresses, £6 sweaters, prices that hover below £8 on average.

But they add to a growing list of questions about Shein, once a little-known Chinese-founded company that has become a global behemoth in just over five years. Still privately-owned, it was valued at ...