41% of the KOSPI index, which is South Korea's major stock index, is comprised of tech/industrial companies that compete head-to-head with Japanese manufacturers. As a result of the Bank of Japan's recent announcement that it would be injecting $1.4 trillion in stimulus into the economy, the KOSPI has been hammered, dropping -1.6% overnight into today after breaking its TREND line of support at 1975 yesterday; it's down -3.5% year-to-date. The burning of the Japanese Yen by the Bank of Japan certainly doesn't help Korea's situation in any way shape or form. 

Correction In The KOSPI - KOSPI