The KOSPI on Jan. 5 rose more than 3 percent and broke above the 4,400 level for the first time, despite the Venezuela situation over the weekend.

The KOSPI ended up 147.89 points, or 3.43 percent, at 4,457.52. It set a new record close, surpassing the previous high of 4,309.63 from the prior session on Jan. 2 after just 1 day.

That took it past 4,400 just 1 day after it first broke above 4,300.

The index opened up 76.29 points, or 1.77 percent, at 4,385.92. It also surpassed the previous intraday record of 4,313.55 set on Jan. 2, then extended gains and ended at the session high.

Foreign investors led gains by buying 2.17 trillion won worth of shares on the day. Individuals and institutions sold 1.51 trillion won and 702.4 billion won, respectively.

The top 27 stocks by market capitalisation all ended higher.

Samsung Electronics jumped 7.47 percent again and set a new high at 138,100 won. SK Hynix rose 2.81 percent to close at 696,000 won, bringing it close to 700,000 won.

Most stocks posted strong gains, including Doosan Enerbility, up 10.64 percent, SK Square, up 6.12 percent, Hanwha Aerospace, up 6.98 percent, LG Energy Solution, up 2.91 percent, and Hyundai Motor, up 2.01 percent.

The Kosdaq index rose 11.93 points, or 1.26 percent, to end at 957.50. It marked the highest close since Jan. 20, 2022, when it finished at 958.7, the highest in about 4 years.