REUTERS/Heo Ran/File PhotoSEOUL, Oct 18 (Reuters) - The announcement by K-pop mega band BTS that members would serve mandatory military service in South Korea has removed a cloud of uncertainty that has hung over their plans. Investors in HYBE Co (352820.KS), BTS' management group, responded to the news by driving its shares up as much as 7.8% on Tuesday. In 2020, BTS accounted for 730 billion won in sales out of the company's 796 billion won revenue, she noted. The Korea Culture and Tourism Institute estimated that BTS' 2020 No. Hyundai Research Institute estimated that BTS' average annual production impact is about 4.1 trillion won, and the value-added economic effect is about 1.4 trillion won, in a 2018 report.

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