* KOSPI falls, foreigners net sellers

* Korean won weakens against dollar

* South Korea benchmark bond yield rises

SEOUL, July 28 (Reuters) - Round-up of South Korean financial markets:

** South Korean shares fell on Friday, tracking overnight losses on Wall Street, and were poised for a second consecutive weekly loss following sessions of sharp fluctuations in battery stocks amid heightened volatility.

** The Korean won weakened, while the benchmark bond yield rose.

** The benchmark KOSPI was down 8.72 points, or 0.33%, at 2,595.09, as of 0158 GMT.

** The KOSPI was down 0.57% for the week, after a 0.71% fall the week before.

** "The benchmark index treaded lower on weakened investor sentiment after a fall in the U.S. stock market," said Cho Jun-kee, an analyst at SK Securities.

** South Korea's factory production fell more than expected in June, official data showed on Friday, as automobile and petroleum production dropped.

** Shares of battery maker LG Chem dropped 2.28% and were the biggest decliners among index heavyweights, while peers Samsung SDI and SK Innovation traded flat.

** Chipmaker Samsung Electronics fell 1.67% and peer SK Hynix gained 0.48%, while battery maker LG Energy Solution climbed 1.11%.

** Shares of Hyundai Motor added 0.15% and its sister automaker Kia Corp gained 2.05%, while search engine Naver and instant messenger Kakao were down 0.95% and 0.20%, respectively.

** Of the total 933 issues traded, 556 shares rose.

** Foreigners were net sellers of shares worth 113.2 billion won ($88.30 million).

** The won was quoted at 1,281.9 per dollar on the onshore settlement platform, 0.33% lower than its previous close.

** The won was up 0.13% for the week, after a 0.71% drop the week before.

** In money and debt markets, September futures on three-year treasury bonds fell 0.20 point to 103.75.

** The most liquid three-year Korean treasury bond yield rose 5.7 basis points to 3.644%, while the benchmark 10-year yield climbed 9.1 basis points to 3.728%.

($1 = 1,281.9400 won) (Reporting by Jihoon Lee; Editing by Sherry Jacob-Phillips)