The Trump administration move to stop low-cost imports entering the U.S. tariff-free is likely to hit fast fashion retailer Shein harder than online dollar-store Temu, thanks to Temu's wider product range and moves to change its shipping strategy.

Shein and Temu shifted more of their orders to be fulfilled in the US ahead of de minimis changes.

President Donald Trump’s sweeping tariff threats have been touch and go. As it stands currently, the 25 percent tax on goods from Mexico and Canada is on ice for a month, but a 10 percent tariff on Chinese goods is set to take effect on Tuesday, via an executive order of questionable legality.