South Korea's financial regulator is examining whether a potential US listing of SK Hynix's subsidiary Solidigm would violate domestic restrictions on dual listing, raising questions about shareholder protection as the chipmaker considers options for the business.Financial Supervisory Service Governor Lee Chan-jin said on Monday that both the Financial Services Commission (FSC) and the watchdog had judged that the potential listing could breach dual-listing rules.US MarketsPowered ByAs on 17 Oct 2026, 01:30 AM ISTS&P 500 Top GainersTarga Resources294.90(4.37%)Diamondback Energy203.95(4.27%)EOG Resources158.01(4.20%)Kinder Morgan34.20(4.20%)Gainers»S&P 500 Top LosersSuper Micro Computer31.63(-9.86%)Coterra Energy32.56(-8.62%)Moderna218.01(-7.82%)Palo Alto Networks342.00(-7.63%)Losers»Read more: Global Market: Japan’s Nikkei falls 2% as tech selloff, rising oil prices fuel inflation fearsLee made the remarks during a parliamentary hearing in response to questions about how regulators would protect minority shareholders of SK Hynix if Solidigm went public in the United States.The FSC has been awaiting an official interpretation of whether the proposed offering would require a domestic securities registration filing, Lee said.Live EventsReuters reported in September that Solidigm was considering an initial public offering as early as next year that could value the US subsidiary at up to $150 billion.South Korean regulators introduced tighter dual-listing rules in July to better protect minority shareholders.