Based on regulatory filings, the Korea Exchange has issued a one-day 'exercise caution in investment' alert for SK Hynix's stock, in response to its recent price surge. Since the beginning of this year, SK Hynix's stock price has accumulated a 257% increase. The Korea Exchange operates a three-tier investor warning system, comprising 'exercise caution in investment,' 'investment alert,' and 'investment risk.' Trading of the relevant stocks may be suspended under the latter two warning levels.
