Hermes Investment Management Limited acquired 4.99% stake in Youngone Corp. (KOSE:A111770) on January 20, 2017. Hermes Investment Management Limited acquired 2.2 million shares of Youngone Corp. (KOSE:A111770). Hermes Investment Management Limited completed acquisition of 4.99% stake in Youngone Corp. (KOSE:A111770) on January 20, 2017.