* KOSPI rises, foreigners net sellers Korean won strengthens against U.S. dollar South Korea benchmark bond yield rises

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SEOUL, May 23 (Reuters) - Round-up of South Korean financial markets:

** South Korean shares rose to their highest close in nearly three weeks on Monday while the won also gained, lifted by comment from U.S. President Joe Biden that Washington may cut tariffs on imports from China. Bond yields rose slightly.

** The benchmark KOSPI rose 8.09 points, or 0.31%, to end trade at 2,647.38, its highest close since May 4, after hovering around its previous close level for most of the day.

** Biden said while visiting Japan that he was weighing cutting tariffs on Chinese goods.

** "The market suffered from profit-taking in early part but rebounded later on Biden's comment on the possible cut in import tariffs on China goods," said Cape Investment and Securities analyst Na Jeong-hwan.

** Among heavyweights, technology giant Samsung Electronics fell 0.15% and peer SK Hynix rose 0.44%, while battery maker LG Energy Solution rose 0.92%.

** Foreigners were net sellers of 28.9 billion won worth of shares on the main board.

** The won ended onshore trade at 1,264.1 per dollar , 0.32% higher than its previous close at 1,268.1. It also reversed earlier losses on possible tariff cuts on Chinese imports by the United States.

** In offshore trading, the won was quoted at 1,263.5 per dollar, up 0.8% from the previous day, while in non-deliverable forward trading its one-month contract was quoted at 1,263.5.

** The KOSPI has fallen 11.09% so far this year, and lost 2.1% in the previous 30 trading sessions. The won has lost 6.0% against the dollar so far this year.

** The most liquid 3-year Korean treasury bond yield rose by 1.8 basis points to 3.031%, while the benchmark 10-year yield rose by 3.0 basis points to 3.277%. (Reporting by Choonsik Yoo; Additional reporting by Younah Moon; Editing by Subhranshu Sahu)