AI Summary
South Korea's stock market is experiencing extreme volatility driven largely by retail investors using leverage to trade memory chip stocks, with SK Hynix and Samsung Electronics comprising over half of the benchmark Kospi index. Recent sharp declines in these two chipmakers have wiped out much of the market's previous gains, highlighting the risks of concentrated exposure and leveraged retail trading.
Memory chip bellwethers SK Hynix and Samsung Electronics make up just over half of the benchmark Kospi. Much of the stock market’s previous rally was related to the sharp surge in the share prices of these two chipmakers. These two stocks have now crashed more than 30% each in just a month, leading to the sharp downtrend in the market.