Direct-from-China e-commerce firm Shein has seen a 70 percent drop in profits in the first half of 2024 due to competition from Temu.Revenue growth for Shein fell to 23 percent during the period, compared to 40 percent in 2023.Shein's IPO plans have been complicated by regulatory scrutiny and pressure from US lawmakers.Existing shareholders of Shein have expressed frustration and requested the repurchase of their shares.