* KOSPI rises, foreigners net buyers

* Korean won weakens against dollar

* South Korea benchmark bond yield rises

SEOUL, May 14 (Reuters) - Round-up of South Korean financial markets:

** South Korean shares were little changed on Tuesday ahead of a local holiday on Wednesday, and as investors awaited U.S. inflation readings due this week. The won weakened, while the benchmark bond yield rose.

** The benchmark KOSPI edged up 1.72 points, or 0.06%, to 2,728.93 by 0225 GMT.

** The index has risen 2.77% this year, but lost 0.7% in the previous 30 trading sessions.

** Investors are awaiting the U.S. Producer Price Index (PPI) data on Tuesday, followed by the Consumer Price Index (CPI) data due on Wednesday.

** Among index heavyweights, chipmaker Samsung Electronics was flat and peer SK Hynix gained 0.54%, while battery maker LG Energy Solution climbed 1.44%.

** Hyundai Motor added 0.20% and sister automaker Kia Corp lost 0.96%, while search engine Naver and instant messenger Kakao were up 0.87% and unchanged, respectively.

** South Korea's government signed an agreement on Monday with Alibaba's AliExpress and PDD Holdings' Temu to promote product safety, the Korea Fair Trade Commission (KFTC) said.

** Of the total 932 traded issues, 469 shares advanced, while 373 declined.

** Foreigners were net buyers of shares worth 13.0 billion won on the main board on Tuesday.

** The won was quoted at 1,369.4 per dollar on the onshore settlement platform, 0.09% lower than its previous close at 1,368.2.

** In offshore trading, the won was quoted at 1,369.4 per dollar, down 0.2%, while in non-deliverable forward trading its one-month contract was quoted at 1,366.6.

** The won has lost 5.9% against the dollar so far this year.

** In money and debt markets, June futures on three-year treasury bonds fell 0.01 point to 104.31.

** The most liquid three-year Korean treasury bond yield rose by 0.6 basis points to 3.456%, while the benchmark 10-year yield rose by 0.5 basis points to 3.558%. (Reporting by Cynthia Kim; Editing by Varun H K)