Global Market: China optical stocks sink on reports of potential US import ban

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Synopsis Chinese optical stocks tumbled after a Reuters report said the Trump administration was considering a ban on U.S. imports of new Chinese data centre components. Export-focused firms led the decline, while domestic chipmakers gained. Analysts said the proposed move reflects escalating U.S.-China technology tensions and supply chain realignment. Shares of Chinese optical module makers slumped on Wednesday after a Reuters report said the Trump administration was drafting a ban on U.S. imports of new models of Chinese data centre components, triggering a sharp selloff across the sector. The CSI300 Telecommunication Services Index dropped as much as 9% in early…

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