All three companies have embraced a busy, garish design that’s popular in China and ideally calibrated to sell plenty of low-cost products. Will the same be true as these companies attempt to move upmarket?

The South Korean e-commerce firm Coupang has saved Farfetch from potential bankruptcy, and could use its logistical and marketing might to solve some of the luxury e-tailer’s seemingly intractable problems. But “everything stores” have a spotty track record when it comes to high-end retail.

Return rates are set to soar this holiday, despite slower sales growth, putting brands’ returns management playbooks to the ultimate test.

The deal provides the online luxury giant with $500 million in emergency funding. A complex transaction that would have seen Farfetch acquire a 47.5 percent stake in Yoox-Net-a-Porter from Richemont is dead.