* KOSPI rises, foreigners net sellers

* Korean won strengthens against dollar

* South Korea benchmark bond yield falls

SEOUL, Oct 10 (Reuters) - Round-up of South Korean financial markets:

** South Korean shares rose more than 1% on Tuesday, tracking Wall Street's gains amid eased investor worries over the U.S. Federal Reserve's policy tightening.

** Defence and oil refinery stocks jumped on the Middle East conflict, while authorities vowed risk management to prevent any negative impact on broader markets.

** The benchmark KOSPI rose 29.01 points, or 1.20%, to 2,437.74 by 0124 GMT.

** South Korean financial markets were closed on Monday for a public holiday.

** Top ranking Fed officials indicated on Monday that rising yields on long-term U.S. Treasury bonds could steer the central bank from further increases in its short-term policy rate.

** South Korean President Yoon Suk Yeol ordered economic authorities to monitor financial markets closely and make efforts for risk management, saying external uncertainty heightened with military clashes in the Middle East.

** Among index heavyweights, chipmaker Samsung Electronics rose 1.36%, peer SK Hynix gained 2.24%, and battery maker LG Energy Solution climbed 0.86%.

** Search engine Naver and instant messenger Kakao were up 2.57% and 0.24%, respectively, but Hyundai Motor and its sister automaker Kia Corp lost more than 1% each.

** Major defence stocks of Hanwha Systems and LIG Nex1 jumped 7.85% and 9.98%, respectively, while S-Oil climbed 5.62%.

** Of the total 930 traded issues, 546 shares advanced, while 312 declined.

** Foreigners were net sellers of shares worth 128.3 billion won ($95.40 million) on the main board so far on Tuesday.

** The won was quoted at 1,345.7 per dollar on the onshore settlement platform, 0.31% higher than its previous close.

** The most liquid three-year Korean treasury bond yield fell by 4.2 basis points to 3.972%, while the benchmark 10-year yield fell by 6.4 basis points to 4.177%. ($1 = 1,344.8800 won) (Reporting by Jihoon Lee; Editing by Rashmi Aich)