SK Hynix Stock Plunges 15% on July 13 After U.S. IPO, Down 40% From June Peak

SK Hynix shares fell over 15% on July 13, triggering trading halts on the Seoul stock exchange, according to South Korean brokerage KIS. The stock has corrected nearly 40% from its June historical high following the company's record-breaking U.S. initial public offering on Nasdaq.

Despite strong Q1 2026 results—revenue of 52.57 trillion won ($34.51 billion) and net margin of 76.7%—investor concerns emerged after KIS reported Q2 operating profit forecasts at 60.4 trillion won, trailing market consensus of 65 trillion won by 8%. Analysts attributed the gap to lower pricing flexibility on high-bandwidth memory long-term agreements compared to standard chips.