*

KOSPI slightly up, foreigners net buyers

*

Korean won weakens against dollar

*

South Korea benchmark bond yield falls

*

For the midday report, please click

SEOUL, Feb 21 (Reuters) - Round-up of South Korean financial markets:

** South Korean shares closed almost flat on Tuesday as investors refrained from taking big positions ahead of a slew of monetary policy events and data releases due later in the week. The Korean won weakened and the benchmark bond yield fell.

** The benchmark KOSPI closed up 3.84 points, or 0.16%, at 2,458.96. It was the second straight session when the benchmark index logged a daily gain of less than 0.2%.

** The U.S. stock market was closed on Monday for a public holiday.

** The U.S. Federal Reserve will release the minutes of its latest policy meeting on Wednesday, while the Bank of Korea is expected to keep its policy rate unchanged at a meeting on Thursday.

** South Korea's exports for the first 20 days of February fell 2.3% from the same period a year before, despite more working days.

** Investor sentiment was weak amid mixed expectations over future monetary policies, said Lee Kyoung-min, an analyst at Daishin Securities.

** Technology giant Samsung Electronics fell 0.96% and peer SK Hynix lost 1.41%, but battery maker LG Energy Solution rose 0.78%.

** Of the total 936 issues traded, 551 shares advanced.

** Foreigners were net buyers of shares worth 17.9 billion won ($13.82 million).

** The won ended onshore trade at 1,295.9 per dollar, 0.11% lower than its previous close at 1,294.5.

** In money and debt markets, March futures on three-year treasury bonds rose 0.16 point to 103.70.

** The most liquid three-year Korean treasury bond yield fell by 2.2 basis points to 3.639%, while the benchmark 10-year yield fell by 0.7 basis point to 3.604%. ($1 = 1,295.3400 won) (Reporting by Jihoon Lee; Editing by Subhranshu Sahu)