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KOSPI snaps five-session rising streak

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Korean won posts worst day in a month

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South Korea benchmark bond yield jumps

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For the midday report, please click

SEOUL, March 8 (Reuters) - Round-up of South Korean financial markets:

** South Korean shares fell more than 1% on Wednesday after hawkish comments by U.S. Federal Reserve Chair Jerome Powell raised concerns that the Fed's monetary tightening would become more aggressive.

** The Korean won posted its biggest daily loss since early February, while the benchmark bond yield rose.

** The benchmark KOSPI closed down 31.44 points, or 1.28%, at 2,431.91. It was the first daily fall in six sessions.

** The Fed will likely need to raise interest rates more than expected in response to recent strong data and is prepared to move in larger steps if the "totality" of incoming information suggests tougher measures are needed to control inflation, Powell said on Tuesday.

** South Korea's finance minister said on Wednesday the government would strengthen cooperation with the United States on foreign exchange, without giving details.

** "Powell's remarks were more hawkish than expected to be," said Daishin Securities' analyst Lee Kyoung-min. "Monetary policy worries will continue to cause volatility in the market, ahead of U.S. employment and inflation data."

** Technology giant Samsung Electronics fell 0.66%, peer SK Hynix lost 2.36%, and battery maker LG Energy Solution declined 0.71%.

** Instant messenger Kakao dropped 3.90%, while search engine Naver fell 4.03%.

** Of the total 933 issues traded, only 199 shares advanced.

** Foreigners were net sellers of shares worth 155.0 billion won ($117.39 million).

** The won ended onshore trade 1.66% lower at 1,321.4 per dollar, marking its biggest daily fall since Feb. 6.

** In money and debt markets, March futures on three-year treasury bonds fell 0.37 points to 103.13.

** The most liquid three-year Korean treasury bond yield jumped by 13.1 basis points to 3.857%, while the benchmark 10-year yield rose by 6.1 basis points to 3.723%. ($1 = 1,320.3600 won) (Reporting by Jihoon Lee; Editing by Janane Venkatraman)