South Korean shares post biggest quarterly fall since early 2020

Round-up of South Korean financial markets:** South Korean shares fell on Wednesday on concerns over high bond yields, posting their biggest quarterly drop in 6-1/2 years.** The benchmark KOSPI KRX:KOSPI closed down 32.77 points, or 0.48%, at 6,838.04, trimming early gains of more than 1%.** The KO…