* KOSPI falls, foreigners net sellers

* Korean won weakens against dollar

* South Korea benchmark bond yield rises

SEOUL, Oct 19 (Reuters) - Round-up of South Korean financial markets:

** South Korean shares declined more than 1% on Thursday, weighed down by concerns over rising U.S. Treasury yields, while the domestic central bank met market expectations with a sixth straight hold on interest rates.

** The benchmark KOSPI fell 31.81 points, or 1.29%, to 2,430.79 by 0056 GMT.

** U.S. Treasury yields edged higher on Wednesday, with the 10-year hitting a 16-year high, as concerns about government debt issuance mounted amid the ongoing headwind of Federal Reserve officials saying interest rates will stay higher for longer.

** The Bank of Korea kept its benchmark interest rate unchanged for a sixth straight meeting, as widely expected in financial markets.

** Investor are awaiting Bank of Korea Governor Rhee Chang-yong's news conference at 0210 GMT for clues on the policy path.

** Chipmaker Samsung Electronics fell 1.42%, peer SK Hynix lost 2.31%, and battery maker LG Energy Solution slid 2.58%.

** Among other index heavyweights, online platform companies dropped, but biopharmaceutical stocks rose and automakers were mixed.

** Of the total 918 traded issues, 112 shares advanced, while 773 declined.

** Foreigners were net sellers of shares worth 56.6 billion won ($41.72 million) on the main board so far on Thursday.

** The won was quoted at 1,357.5 per dollar on the onshore settlement platform, 0.58% lower than its previous close at 1,349.6.

** In money and debt markets, December futures on three-year treasury bonds fell 0.12 point to 102.43.

** The most liquid three-year Korean treasury bond yield rose by 3.6 basis points to 4.073%, while the benchmark 10-year yield rose by 4.9 basis points to 4.340%. ($1 = 1,356.6600 won) (Reporting by Jihoon Lee; Editing by Subhranshu Sahu)