* KOSPI rises 1.7%, foreigners net buyers

* Korean won strengthens against dollar

* South Korea benchmark bond yield falls

* For the midday report, please click

SEOUL, June 3 (Reuters) - Round-up of South Korean financial markets:

** South Korean shares closed more than 1% higher on Monday, with sentiment supported by solid exports and factory activity data, while energy-related stocks rallied after the government announced exploration drilling of potential oil and gas prospects.

** The benchmark KOSPI closed up 46.00 points, or 1.74%, at 2,682.52, marking its biggest daily percentage gain since May 7.

** "There were several factors that affected today's market moves, from U.S. inflation data to domestic exports and even thematic issues, while Nvidia's comments about its new product also had a positive impact on semiconductor stocks," said Park Kwang-nam, analyst, Mirae Asset Securities.

** South Korea prepared several support measures such as an increase in policy financing to boost exports, after data showed exports rose for an eighth straight month in May.

** South Korea's factory activity expanded in May at the fastest pace in two years on stronger growth in output and orders thanks to broadening global demand, a survey showed.

** Among index heavyweights, chipmaker Samsung Electronics rose 2.99% and peer SK Hynix gained 2.64%, while battery maker LG Energy Solution climbed 0.30%.

** Hyundai Motor advanced 4.74% and sister automaker Kia Corp gained 2.55%, while search engine Naver and instant messenger Kakao were up 1.47% and 2.31%, respectively.

** The Electricity and Gas Index rose 8.74%, after President Yoon Suk Yeol said he had given the green light to conduct exploration drilling of potentially vast oil and gas prospects that had been found off the country's east coast.

** Foreigners were net buyers of shares worth 182.1 billion won ($59.67 million).

** The won ended onshore trade at 1,376.1 per dollar, 0.61% higher than its previous close at 1,384.5.

** The most liquid three-year Korean treasury bond yield fell by 2.3 basis points to 3.435%, while the benchmark 10-year yield fell by 4.3 basis points to 3.535%. ($1 = 1,375.9400 won) (Reporting by Jihoon Lee; Editing by Subhranshu Sahu)