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Business trends

Global chip supply at risk as Japan and South Korea feud

Disruption at SK Hynix and Samsung threatens to affect Apple, Huawei and Sony

Semiconductors form a close link between the high-tech economies of Japan and South Korea. 

TOKYO/SEOUL -- Japan's new export controls on South Korea, a country that produces the bulk of the world's memory chips, threaten a ripple effect that spreads beyond the two wary neighbors to electronics manufacturing globally.

The restrictions announced Monday mark the latest setback in a bilateral relationship fraught with colonial-era grievances. The move prompted Seoul to say it was considering retaliatory measures and left chipmakers to confront an immediate supply challenge.

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