HONG KONG – SK Bioscience Ltd.’s shares soared as much as 30% in their KOSPI board debut on Thursday. The 22.95 million shares on offer opened at ₩130,000 (US$115.08) and were trading at ₩169,000 by the close of the trading day, raising ₩1.5 trillion, or $1.33 billion. SK Bioscience had priced the shares at the top of the ₩49,000 to ₩65,000 range.