Korean regulators are facing calls to block a potential Nasdaq listing of Solidigm, SK hynix's U.S.-based NAND flash memory subsidiary, amid concerns that the move could undermine protections for shareholders of its Korean parent company, industry officials said Wednesday. "President Lee Jae Myung should use every means at his disposal to stop the listing," said Rep. Ahn Cheol-soo of the main opposition People Power Party. "If Solidigm goes public, its rising valuation and shareholder base could dilute SK hynix shareholders' indirect stake in the company." Solidigm is owned by AI Company, a U.S.-based entity controlled by SK hynix. Further up the ownership chain are SK Square and SK Group's holding company, SK Inc. The dispute underscores Korea's complex corporate ownership structures, long criticized by retail investors as a factor behind the "Korea discount." In July, Korea introduced rules to protect minority shareholders from unfavorable dual listings. Under the rules, companies seeking to list carved-out subsidiaries domestically must meet shareholder approval and protection require