SK Hynix has decided to suspend its plans for a US IPO of its chip unit Solidigm due to growing market volatility and shareholder concerns. The decision follows scrutiny from South Korean regulators regarding potential violations of dual-listing regulations, raising alarm among 3.5 million investors. Despite initial optimism, market jitters have forced the chipmaker to abandon what was expected to be one of the largest chip IPOs in the United States. Following the announcement, SK Hynix shares experienced fluctuations, with a brief recovery noted amid the uncertainty surrounding the IPO.