The Kospi fell 70 points, or 2.42 percent, to close at 2,839.01 on growing global concern about the Omicron coronavirus variant.
The Kospi closed at its lowest level this year Tuesday as investors freaked out over the Omicron coronavirus variant.
Stocks ended down for the fifth straight session Monday as investors worried about the impact of the Omicron variant of the coronavirus.
The Kospi dropped 44 points or 1.5 percent compared to the previous trading day Friday morning, although selling subsided in the afternoon. It ended Monday at 2,909.32, down 27.12 points or 0.92 percent.
Stocks closed lower tfor a third day Thursday as the country's central bank raised its key policy rate to fight inflation and household debt.
Stocks closed slightly lower Wednesday as investors took to the sidelines ahead of the central bank's monetary policy meeting.
Listings have hit a record this year, beating the last peak hit way back in 2010.
Stocks retreated Tuesday as investors attempted to lock in gains from the recent tech rally.
Stocks rallied by almost 1.5 percent Monday as a surge in chip heavyweights led the market amid projections that a price correction for DRAM chips is drawing to an end earlier than expected.
Kospi-listed companies had a surprisingly good 2021, with net incomes surging 92.97 percent to 77 trillion won ($65 billion) in the first three quarters, according to the Korea Exchange Wednesday.