Seoul-listed Samsung slumped 12.39% to KRW 14,500 each on Friday after EToday claimed its operating deficit for the quarter would run to KRW 1 trillion ($874m).

Rivals were caught up in the sell-down, which came just a few days after DSME took a beating amid claims it is facing its own heavy deficit.

Hyundai Heavy Industries and DSME also saw their stocks reverse today.

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