On the 29th, when KOSPI started falling, the KOSPI and won/dollar exchange rates are displayed on the status board of the dealing room of Hana Bank in Jung-gu, Seoul. Yonhap News As the KOSDAQ index soared 4% on the 29th, a temporary suspension of program buy calls (buy sidecar) was activated in the KOSDAQ market. The Korea Exchange announced that a buy sidecar was activated in the KOSDAQ market at 9:28:32 a.m. on this day. The buy sidecar suspended program buys for 5 minutes...