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Shein's Hong Kong-listed shares fell as much as 10% after Australian and New Zealand regulators issued an urgent recall of a contact lens cleaning product sold through the platform over contamination concerns. The recall adds to ongoing scrutiny of product safety standards for goods sold on the fast-fashion and e-commerce platform. The sharp share price reaction underscores investor sensitivity to regulatory and reputational risks facing Shein as it expands its retail footprint globally, at a time when the company is also navigating other corporate and listing considerations.