Stock market earthquake in Asia; Korea fell by 9%, Japan also turned red East Asian stock markets had a stormy day; The wave of stock selling in South Korea was so intense that the country's stock market index fell by about 9% and trading was halted for a while. Even in Japan, the situation was not calm and the stock market index fell by about 7%. These heavy losses show that investors' concern also reached the major markets in Asia. The suspension of trading in South Korea was done in order to curb the selling pressure and create an opportunity for the market to relax.