Round-up of South Korean financial markets:Shares fell more than 4% on Tuesday, triggering a trading curb that was later lifted, as investors booked profits after recent sharp gains in chipmaker stocks.The benchmark ⁠KOSPI was ⁠down 393.46 points, or 4.32%, at 8,715.91 as of 0250 GMT, after notching a record close on Monday.On Tuesday, the index triggered a trading curb after futures fell 5%.It seems to be short-term side-effects from recent concentration in the chip sector. The fall is triggered by growing profit-taking pressure among foreign investors," said Han Ji-young, an analyst at ⁠Kiwoom Securities. ** ‌Chipmaker Samsung Electronics fell 4.24%. Peer SK Hynix lost 6.06%, a day after overtaking Samsung to become South Korea's ⁠most valuable listed company. The market watchdog's chief offered a rare mea culpa on Monday, saying the regulator had been too hasty in approving leveraged funds tied to some of the country's best-known chip stocks.Among other index heavyweights, battery maker LG Energy Solution slid 2.98%, while Hyundai Motor and sister automaker Kia Corp were down 8.78% and down 6.47%, respectively.Of the total ‌918 traded issues, 131 shares advanced, while 771 declined.Foreigners were net sellers of shares worth 2.8 trillion won ($1.82 billion).The won was quoted ⁠at 1,536.0 per dollar on the onshore settlement platform, 0.19% higher than its previous close. ** Finance Minister Koo Yun-cheol said at a cabinet meeting that the current foreign exchange level at around mid-1,500 won per U.S. dollar is "excessive" compared to the country's fundamentals.The most liquid three-year Korean treasury bond yield rose by 0.1 basis point to 3.804%, while the benchmark 10-year yield rose by 1.0 basis point to 4.207%. ($1 = 1,537.2000 won)