S. Korean stock markets see more volatility in 2019 due to bio, 5G industries

올해 주식 시총 순위 지각변동 더 커져...바이오 변동성↑•5G Top10 진입The stock prices of some of South Korea's biggest firms have witnessed some dramatic ups and downs this year due to increasing volatility centered around bio and 5G companies.According to Korea Exchange, out of the top 10 listed companies by market capitalization on the benchmark KOSPI at the end of 2018,... only seven were still there as of October 4th this year.SK Telecom and POSCO both dropped out of the top ten this year, with Hyundai Mobis entering the top ten.Bio companies on the secondary KOSDAQ have also seen more volatility.They includes Kolon TissueGene, which was suspended from trading in May due to a controversial new therapy.Meanwhile, more firms related to 5G technology entered the KOSDAQ's top ten.