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SK Hynix Tumbles Over 5% Nearing $150 Mark as Memory Stocks Extend Losses

TradingKey

AuthorBlock Tao

Oct 13, 2026 8:40 AM

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On October 13, Eastern Time, US-listed memory stocks extended their decline, led by SK Hynix dropping over 5%, amid a shift from AI-driven optimism to risk aversion. This downturn reflects profit-taking and competitive pressures following CXMT’s announcement of next-generation 4F² DRAM architecture advancements and planned 2026 DDR5 server memory mass production. While HBM remains resilient short-term, anticipated supply increases in commodity and server DRAM raised institutional concerns over market share and pricing. Persistent high US Treasury yields and macroeconomic headwinds suggest memory equities will likely face continued downward pressure.

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TradingKey - Memory stocks continue to fall as SK Hynix plunges over 5%, leading the semiconductor sector lower.

On October 13, Eastern Time, the memory sector in the US stock market extended its decline, with related stocks generally falling in pre-market trading. Micron (MU) and Seagate Technology (STX) fell about 3%, SanDisk (SNDK) and Western Digital (WDC) fell about 4%, while SK Hynix led the losses, dropping around 5% to a low of $151.5.

skhy-price-65f90eeae45448ab8e20c63eef46ff32 SK Hynix stock price chart, Source: TradingView

This collective plunge in memory stocks indicates that the market has rapidly shifted from extreme optimism regarding the AI memory supercycle to a risk-averse phase characterized by high-level profit-taking and competitive landscape restructuring, driven by the impact of technological breakthroughs from competitors. Chinese DRAM giant ChangXin Memory Technologies (CXMT) announced major technological progress in next-generation 4F² DRAM architecture and previewed mass production of DDR5 server memory by the end of 2026.

Although the HBM segment remains difficult to replace in the short term, expectations of increased supply in the commodity and server DRAM markets have sparked institutional concerns over the erosion of future market share and product premiums. In addition, influenced by persistently high US Treasury yields and macroeconomic risk aversion, memory stocks may continue to face downward pressure.

This content was translated using AI and reviewed for clarity. It is for informational purposes only.

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Disclaimer: The content of this article solely represents the author's personal opinions and does not reflect the official stance of Tradingkey. It should not be considered as investment advice. The article is intended for reference purposes only, and readers should not base any investment decisions solely on its content. Tradingkey bears no responsibility for any trading outcomes resulting from reliance on this article. Furthermore, Tradingkey cannot guarantee the accuracy of the article's content. Before making any investment decisions, it is advisable to consult an independent financial advisor to fully understand the associated risks.

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