* KOSPI rises, foreigners net sellers

* Korean won weakens against dollar

* South Korea benchmark bond yield rises

* For the midday report, please click

SEOUL, May 20 (Reuters) - Round-up of South Korean financial markets:

** South Korean shares ended higher on Monday, as Samsung Electronics jumped on optimism around the chip industry, while auto and financial stocks also rallied after authorities reaffirmed their will to push forward corporate reforms.

** The benchmark KOSPI closed up 17.52 points, or 0.64%, at 2,742.14.

** Auto and financial stocks are likely to be the biggest gainers from the government's "Corporate Value-up Programme" with large upside potentials to raise dividend payouts.

** Last week, the chiefs of the Financial Supervisory Service (FSS) and the Korea Exchange visited New York for investor sessions to discuss South Korea's reform efforts.

** South Korea plans to partially lift a ban on stock short-selling sometime in June, the FSS governor said during the trip, according to Yonhap News.

** "Positive outlook on the semiconductor industry and the "Value-up" programme are the two momentums leading the market," said Park Kwang-nam, an analyst at Mirae Asset Securities.

** Chipmaker Samsung Electronics rose 1.94% and peer SK Hynix gained 0.11%, with investor focus on U.S. chipmaker Nvidia's earnings release this week.

** Shares of Hyundai Motor added 2.66% while sister automaker Kia Corp gained 1.95%.

** The finance-major index ended nearly 1% higher.

** Of the total 933 traded issues, 405 shares advanced, while 476 declined.

** Foreigners were net sellers of shares worth 21.6 billion won ($15.93 million) on the main board.

** The won ended onshore trade at 1,355.9 per dollar, 0.07% lower than its previous close at 1,354.9.

** In money and debt markets, June futures on three-year treasury bonds fell 0.10 point to 104.44.

** The most liquid three-year Korean treasury bond yield rose 2.6 basis points to 3.410%, while the benchmark 10-year yield climbed 3.3 basis points to 3.491%.

($1 = 1,355.8900 won) (Reporting by Jihoon Lee; Editing by Sherry Jacob-Phillips)