The benchmark Korea Composite Stock Price Index(KOSPI) slipped below the two-thousand-400 threshold for the first time in nearly two years during Friday's trading.

The KOSPI opened at two-thousand-409-point-72, down 41-point-69 points, or one-point-70 percent, from Thursday. At one point, the index fell more than two percent to two-thousand-396-point-47 amid massive selling by foreign investors.

The last time the index dipped below the two-thousand-400 threshold during intraday trading was on November 5, 2020.

As of 10 a.m. Friday, the KOSPI stood at two-thousand-414-point-58, down 36-point-83 points from Thursday.

Meanwhile, the tech-heavy KOSDAQ opened at 787-point-97, down 14-point-18 points, or one-point-77 percent, from Thursday. It marked the first time in 20 months the index fell to the 780 range during intraday trading.