* KOSPI eases, foreigners net sellers

* Korean won strengthens against dollar

* South Korea benchmark bond yield falls

SEOUL, June 27 (Reuters) - Round-up of South Korean financial markets: ** South Korean shares edged lower on Tuesday, tracking overnight Wall Street losses. The Korean won strengthened while the benchmark bond yield fell. ** The benchmark KOSPI fell 6.79 points, or 0.26%, to 2,575.41 as of 01:50 GMT.

** Wall Street lost ground on Monday. All three major U.S. stock indexes ended in the red, with megacap momentum stocks pulling the tech-heavy Nasdaq to the sharpest decline, down 1.16%. ** Chipmaker Samsung Electronics traded flat and peer SK Hynix lost 1.59%, while battery maker LG Energy Solution declined 0.89%. ** Among other index heavyweights, Hyundai Motor climbed 1.75% and its sister automaker Kia Corp was 0.35% higher. Search engine Naver fell 1.54%, while instant messenger Kakao was down 0.80%. ** Of the total 933 issues traded, 338 shares rose. ** Foreigners were net sellers of shares worth 53.2 billion won ($40.87 million). ** The won was quoted at 1,305.2 per dollar on the onshore settlement platform, 0.08% higher than its previous close at 1,306.3. ** In offshore trading, the won was quoted at 1,301.1 per dollar, up 0.3% on the day, while in non-deliverable forward trading its one-month contract was quoted at 1,298.8. ** The KOSPI has risen 15.16% so far this year, and gained 3.7% in the previous 30 trading sessions. ** The won has lost 3.1% against the dollar so far this year. ** In money and debt markets, September futures on three-year treasury bonds rose 0.04 points to 104.06. ** The most liquid three-year Korean treasury bond yield fell by 1.5 basis points to 3.553%, while the benchmark 10-year yield fell by 0.9 basis points to 3.602%. ($1 = 1,301.6400 won) (Reporting by Hyunsu Yim; Editing by Rashmi Aich)