A so-called “stock price suppression prevention law” will be introduced to sharply raise inheritance and gift taxes when major shareholders of listed companies keep share prices low to facilitate management succession. According to the Ministry of Economy and Finance’s “2026 Tax Reform Plan,” companies whose price-to-book ratio (PBR) has remained in the bottom 25% of the KOSPI market or the bottom 10% of the KOSDAQ market by sector over the past six years, as well as companies that have damaged their…