[South Korea to Introduce Cornerstone Investor System for IPOs to Curb Post-IPO Sell-Offs] BlockBeats reports that on November 5th, South Korea's financial regulator will introduce a cornerstone investor system for initial public offerings (IPOs) to curb sharp declines in share prices after listing. The Financial Services Commission stated that under the new system, approved by the government on Tuesday, institutional investors who commit to a lock-up period of at least six months can receive early allocations of new shares. The regulations will take effect on November 13th along with amendments to the Capital Markets Act.