Meme Stocks Put Korea Market Regulators on Alert

South Korean retail investors are cycling through some meme stocks so quickly that regulators and analysts are now sounding the alarm on leverage and margin calls. Youkyung Lee reports on Bloomberg Television. -------- Follow Bloomberg for business news & analysis, up-to-the-minute market data, features, profiles and more: http://www.bloomberg.com Connect with us on... Twitter: https://twitter.com/business Facebook: https://www.facebook.com/bloombergbusiness Instagram: https://www.instagram.com/bloombergbusiness/