In S.Korea, an army of retail investors flocks to YouTube for stock trading advice
https://www.reuters.com/article/southkorea-markets-youtube/in-s-korea-an-army-of-retail-investors-flocks-to-youtube-for-stock-trading-advice-idUSKBN2HB02B
Millions of South Koreans have jumped into stock market trading over the past year with their enthusiasm feeding off a new market force - popular investment channels on YouTube.