Korean Stock Exchange issues a "caution on investment" warning as SK Hynix's stock price rises.

According to regulatory documents released by the South Korean exchange on Monday, the exchange issued a "caution" warning for SK Hynix's stock price recently rising. The "caution" rating for this stock is valid for 1 day. SK Hynix's stock price has risen 257% so far this year. Note: The South Korean exchange has an investor alert notification system, specifically including three levels: "caution," "warning," and "risk"; under the "warning" or "risk" level, trading of relevant stocks may be suspended.