Shein is reportedly aiming to list on the Hong Kong stock exchange as the online fast-fashion retailer struggles to gain the go-ahead from Chinese regulators for a flotation in London. The company, which was founded in China where the majority of its suppliers are based but now has its headquarters in Singapore, is aiming to file a draft prospectus with Hong Kong’s stock exchange in the coming weeks, according to Reuters. It said Shein plans to go public in the Asian financial hub this year, which would scotch hopes of…