* KOSPI rises, foreigners net buyers

* Korean won little changed against dollar

* South Korea benchmark bond yield falls

SEOUL, April 30 (Reuters) - Round-up of South Korean financial markets:

** South Korean shares rose for a third straight session on Tuesday, as chipmaker Samsung Electronics jumped on a more than 10-fold rise in profit, while battery maker LG Energy Solution also gained sharply.

** The won was steady, while the benchmark bond yield fell.

** The benchmark KOSPI rose 15.65 points or 0.58%, to 2,703.09 by 0120 GMT, hitting its highest since April 12.

** Samsung Electronics rose 1.43%, after it reported a more than 10-fold rise in first-quarter operating profit and said it expected demand for artificial intelligence to hold strong in the second half. Peer SK Hynix edged up 0.11%.

** LG Energy Solution climbed 2.38%, tracking U.S. customer Tesla's overnight rally, but peers Samsung SDI and SK Innovation fell 0.24% and 3.46%, respectively.

** South Korea is due to report its trade figures for April on Wednesday, when the local market will be closed for a public holiday. Exports are expected to post a double-digit percentage growth rate.

** South Korea's financial regulator will unveil detailed guidelines for its corporate reform programme on Thursday, when there will also be the result of the U.S. Federal Reserve's two-day policy meeting through Wednesday.

** Of the total 929 traded issues, 456 shares advanced, while 383 declined.

** Foreigners were net buyers of shares worth 131.2 billion won ($95.3 million) on the main board.

** The won was quoted at 1,376.9 per dollar on the onshore settlement platform, 0.01% higher than its previous close at 1,377.0.

** In money and debt markets, June futures on three-year treasury bonds rose 0.06 point to 104.07.

** The most liquid three-year Korean treasury bond yield fell by 2.8 basis points to 3.524%, while the benchmark 10-year yield fell by 3.6 bps to 3.670%. ($1 = 1,376.5800 won) (Reporting by Jihoon Lee; Editing by Varun H K)