Round-up of South Korean financial markets:

** South Korean shares fell on Monday, as technology shares lost momentum, with chipmaker SK Hynix preparing to list $29 billion American depositary receipts on the Nasdaq. The won weakened, while the benchmark bond yield fell.

** The benchmark KOSPI KRX:KOSPI was down 240.93 points, or 2.98%, at 7,847.41 as of 0245 GMT. The index has risen 86.21% so far this year.

** Among index heavyweights, chipmaker Samsung Electronics KRX:005930 fell 1.53%, while peer SK Hynix KRX:000660 lost 5.20%. Battery maker LG Energy Solution KRX:373220 slid 3.86%.

** SK Hynix will sell 17.79 million new shares in the depositary receipt listing, making it one of the world's most valuable tech firms.

** South Korean President Lee Jae Myung on Monday ordered officials to move quickly to execute major chip and AI projects announced last week.

** Hyundai Motor KRX:005380 and sister automaker Kia Corp KRX:000270 were down 0.61% and up 2.83%, respectively. Steelmaker POSCO Holdings KRX:005490 shed 2.03%, while drugmaker Samsung BioLogics KRX:207940 fell 3.03%.

** Of the total 913 traded issues, 268 shares advanced, while 618 declined.

** Foreigners were net sellers of shares worth 828.8 billion won.

** In offshore trading, the won FX_IDC:USDKRW was quoted at 1,532.9 per dollar, down 0.3% on the day, while in non-deliverable forward trading its one-month contract (KRW1MNDFOR=) was quoted at 1,531.4.

** The won has weakened 6.2% against the dollar so far this year.

** In money and debt markets, September futures on three-year treasury bonds (KTBc1) gained 0.06 point to 103.12.

** The most liquid three-year Korean treasury bond yield (KR3YT=RR) rose by 0.9 basis point to 3.761%, while the benchmark 10-year yield TVC:KR10 fell by 2.5 bps to 4.171%.