Hyundai Heavy Industries' shares surged 86% on their first day of trading on the Korea Composite Stock Price Index (Kospi) on Friday.
The world’s largest shipbuilder raised KRW 1.1bn ($935m) from an initial public offering, much of which will fund investments in new technology to build greener vessels.
It was South Korea’s fifth-largest share offering this year, according to data compiled by Bloomberg.
