Amazon.com, Alibaba, and Temu parent PDD Holdings were among the e-commerce stocks tumbling on Wednesday after the U.S. Postal Service said it would temporarily suspend all inbound parcels from mainland China and Hong Kong.

The U.S. Postal Service said it was temporarily suspending inbound parcels from China and Hong Kong, effective Tuesday

The move will likely have an impact on e-commerce platforms like Shein and Temu, along with operators of drop shipping businesses.

USPS announced and reversed its decision to not accept packages from China and Hong Kong. How this will affect packages.

As part of a 10% tariff on Chinese imports, Trump also scrapped a rule that waived import duties on packages valued at under $800, which helped Temu and Shein.