Shein said trade policies introduced by the Trump administration toward China affected its business after the fast-fashion retailer posted a loss for the first quarter of 2026. In financial filings, the company linked the weaker result to tariff-related pressure.

The warning draws attention to how changes in US-China trade policy can quickly affect retailers that rely on low prices and cross-border supply chains. For a company known for very cheap clothing, added costs tied to tariffs can put pressure on margins and overall performance.

Shein's latest filing suggests that trade risk is becoming a more visible factor in its business outlook. The quarterly loss and tariff warning indicate that policy shifts, not just consumer demand, are shaping the company's near-term results.

The update also adds to the wider business debate over how US tariffs on China affect global retail groups. In Shein's case, the first-quarter loss underscores a more difficult operating environment as trade tensions continue to influence costs and planning.