SK Hynix Shares Plunge Over 12% After Record Nasdaq Debut, Triggering Kospi Trading Halt

Bearish (-0.7)Impact: High

Published on July 13, 2026 (2 hours ago) · By Vibe Trader

SK Hynix Shares Plunge Over 12% After Record Nasdaq Debut, Triggering Kospi Trading Halt

SK Hynix, the South Korean memory-chip maker, experienced a sharp decline in its share price, falling more than 12% on Monday following its successful debut on Nasdaq last Friday [1][2]. The company had raised $26.5 billion in its U.S. listing, marking the largest-ever foreign share sale in the United States [1]. On its first trading day in New York, SK Hynix shares surged approximately 13%, reflecting strong demand from U.S. investors for AI-linked semiconductor stocks [1][2].

However, the subsequent steep drop in SK Hynix's share price led to significant volatility in the broader market. The Kospi index in South Korea tumbled in response to the chipmaker's decline, with trading halted after steep losses triggered circuit breakers [1][2]. The sell-off extended to other chip stocks across Asian markets, with Samsung leading the declines, and futures in both the U.S. and Europe also trading lower [2].

Market analysts attributed the volatility in SK Hynix shares to ongoing uncertainty in the global semiconductor market, as well as concerns about timing and demand in South Korea's chip sector [1]. Daniel Yoo, global strategist at Yuanta Securities, commented, "Everybody's really confused about what's going to happen to the memory demand and where the fair price is" [2]. The move in SK Hynix shares was seen as a mix of profit-taking and uncertainty over how the newly U.S.-listed shares should be valued relative to the Korean stock [2].

The broader market context included heightened jitters around chip stocks, which have become a persistent trend, and additional macroeconomic uncertainty due to geopolitical tensions in the Strait of Hormuz and the upcoming earnings season for major global companies [2].

CONCLUSION

SK Hynix's record-setting Nasdaq debut was quickly overshadowed by a sharp sell-off, which not only impacted its own valuation but also triggered a trading halt on the Kospi and weighed on chip stocks across Asia. Persistent uncertainty about semiconductor demand and valuation continues to drive volatility in the sector, with analysts and investors closely watching for further developments.

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