Les actions de la Corée du Sud plongent après la fin de Wall Street en baisse; Kakao, Naver tombe
* KOSPI falls, foreigners net sellers * Korean won weakens against U.S. dollar * South Korea benchmark bond yield falls SEOUL, Sept 9 (Reuters) - Round-up of South Korean financial markets: ** South Korean shares fell on Thursday after a dip in U.S. shares as tech heavyweights dropped, and as investors continue to fret over a slowdown in global economy recovery from the pandemic. The Korean won weakened, while the benchmark bond yield fell. ** The benchmark KOSPI fell 35.44 points, or 1.12%, to 3,127.55 as of 03:47 GMT. ** Among the heavyweights, technology giant Samsung Electronics fell 0.79% and peer SK Hynix lost 1.89%, while LG Chem dropped 0.79% and Naver fell 2.44%. Kakao dropped 7%. ** Declines in Kakao and Naver are weighing on the index, as investors are increasingly worried about regulatory crackdown in platform IT companies, said Na Jeong-hwan, an analyst at Cape Investment & Securities. ** Wall Street sank and European stocks suffered their worst one-day rout in three weeks on Wednesday on uncertainty over the pace of economic recovery. ** Foreigners were net sellers of 373.2 billion won worth of shares on the main board. ** The won was quoted at 1,170.2 per dollar on the onshore settlement platform , 0.30% lower than its previous close at 1,166.7. ** In offshore trading, the won was quoted at 1,169.4 per dollar, down 0.2% from the previous day, while in non-deliverable forward trading its one-month contract was quoted at 1,170.6. ** The KOSPI has risen 8.84% so far this year, but lost 2.2% in the previous 30 trading sessions. ** The won has lost 7.2% against the dollar so far this year. ** In money and debt markets, September futures on three-year treasury bonds were unchanged at 110.26. ** The most liquid 3-year Korean treasury bond yield fell by 0.8 basis point to 1.485%, while the benchmark 10-year yield fell by 2.9 basis points to 1.990%. (Reporting by Cynthia Kim; Additional reporting by Jihoon Lee; Editing by Shounak Dasgupta)