South Korea's KOSPI climbed more than 2 percent on April 15 on expectations for negotiations over the war in the Middle East, closing above 6,000 for the first time in 32 sessions.

The KOSPI ended up 123.64 points, or 2.07 percent, at 6,091.39. It opened up 173.85 points, or 2.91 percent, at 6,141.60 and rose as high as 6,183.21.

It was the first time the KOSPI closed above 6,000 since Feb. 27, at 6,244.13, the last session before the outbreak of war between the United States and Iran.

By investor type, foreigners were net buyers of 552.2 billion won worth of shares, lifting the index. Retail investors and institutions were net sellers of 935.6 billion won and 22.4 billion won, respectively.

Most top stocks by market value rose. Samsung Electronics gained 2.18 percent to close at 211,000 won, and SK Hynix rose 2.99 percent to 1,136,000 won. Samsung Electronics preferred shares added 2.26 percent, while Hyundai Motor rose 3.36 percent and LG Energy Solution gained 2.00 percent.

SK Square rose 3.91 percent, Samsung Biologics gained 4.30 percent, Doosan Enerbility added 4.51 percent and Kia rose 1.54 percent.

Hanwha Aerospace fell 0.92 percent.

The KOSDAQ also rose 30.55 points, or 2.72 percent, to 1,152.43, outpacing the KOSPI's gain.

The won-dollar exchange rate ended at 1,474.90 won per dollar, up 1.40 won from the previous session.