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KOSPI Jumps 4.5% as Seoul Halts Program Buying Before SK Hynix Earnings
South Korea’s KOSPI index rose 4.53% to 5,717.30 on Tuesday morning, prompting the Korea Exchange to halt program buying for five minutes. This is the second time in six days the exchange has implemented such a measure. The KOSPI had previously given back its entire rally within two sessions. The index jump was attributed to Seoul's decision to halt program buying before SK Hynix earnings announcement.