On the 2nd, when KOSPI began to plummet, KOSPI is displayed on the status board of Hana Bank's dealing room in Jung-gu, Seoul. Yonhap News The KOSPI index plunged more than 5% on the 2nd, and a sell sidecar (temporary suspension of program trading ask price) was activated in the securities market. The Korea Exchange announced that a sell sidecar was activated in the securities market as of 9:07:03 a.m. on this day. The KOSPI sell sidecar stopped program selling for 5 minutes, reducing volatility...