S.Korean shares plunge on China's downbeat factory data, second virus wave worries

* KOSPI falls, foreigners net sellers

* Korean won weakens versus U.S. dollar

* South Korea benchmark bond yield rises

* For the midday report, please click

SEOUL, June 15 (Reuters) - Round-up of South Korean financial markets:

** South Korean shares plunged 4.8% on Monday, the sharpest daily fall since late March, after China’s smaller-than-expected factory data suggested the economic recovery remained fragile amid growing worries of a second wave of coronavirus infections. The won weakened, while the benchmark bond yield rose.

** The Seoul stock market’s main KOSPI closed down 101.48 points, or 4.76%, at 2,030.82, marking its sharpest fall since March 23.

** New coronavirus cases and hospitalizations in record numbers swept through more U.S. states, including Florida and Texas, as most push ahead with reopening.

** China’s industrial output rose for a second straight month in May but the gain was smaller than expected, suggesting the economy is still struggling to get back on track after the coronavirus crisis.

** It is a bit early to worry about a second wave in Korea, said DS Investment & Securities’ analyst Na Jeong-hwan, adding that investors’ worries may grow if the number of new cases rises to a three-digit number.

** South Korea reported 37 new coronavirus cases on Monday, of which 24 were domestic infections.

** Foreigners were net sellers of 474.7 billion won ($390.42 million) worth of shares on the main board.

** The won closed 1.00% lower at 1,216.0 per dollar on the onshore settlement platform.

** In offshore trading, the won was quoted down 1.0% at 1,215.8 per dollar, while in non-deliverable forward trading its one-month contract was quoted at 1,215.0.

** In money and debt markets, June futures on three-year treasury bonds fell 0.08 point to 111.98.

** The most liquid 3-year Korean treasury bond yield rose by 2.6 basis points to 0.867%, while the benchmark 10-year yield rose by 4.1 basis points to 1.429%. ($1 = 1,215.8600 won) (Reporting by Jihoon Lee; Editing by Krishna Chandra Eluri)