South Korea's top 100 firms exhibited a combined market value of 1,745 trillion won on Thursday, up 77.5 percent from 983 trillion won five years ago amid a recent stock market rally.
According to the data from market researcher CXO Institute, the latest tally was a 43.1 percent increase from last year.
Samsung Electronics Co. remains the top-cap South Korean company with 495.5 trillion won, followed by SK hynix Inc. with 91.7 trillion won, and LG Chem Ltd. with 62.8 trillion won.
The highest on-year growth rate among the 100 firms was shown by Shinpoong Pharmaceutical Co., whose market value shoot up 1,567 percent on-year to 6.5 trillion won this year.
New entrants to the top 100 list include SK Biopharmaceuticals Co., Big Hit Entertainment, and Kakao Games Corp. The three firms made a blockbuster debut on the local bourse last year.
The South Korean stock market has been on a roll in recent months due to a growing optimism over an economic recovery.