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Memory Chip Stocks Rise Across the Board Pre-Market as SK Hynix Leads With 6% Surge

TradingKey

AuthorBlock Tao

Jul 27, 2026 9:02 AM

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Memory chip stocks rebounded in pre-market trading on July 27, Eastern Time, led by SK Hynix’s 6% gain. This recovery was bolstered by the robust STAR Market debut of ChangXin Technology, which surged over 400%, serving as a key valuation catalyst. Furthermore, momentum is supported by reports of a $950 billion AI semiconductor partnership between South Korean manufacturers and U.S. tech giants. With SK Hynix’s Q2 operating profit expected to reach a record 64.1 trillion won, market sentiment remains bullish ahead of the company's July 29 earnings release, signaling a strong outlook for the global memory sector.

AI-generated summary

TradingKey - Memory chip stocks reverse their decline, surging collectively in pre-market trading, with SK Hynix leading the gains.

On July 27, Eastern Time, memory chip stocks rallied collectively in pre-market trading, recouping some of the ground lost during Friday's sharp sell-off. Among them, SK Hynix ( SKHY) performed the strongest, rising nearly 6%; SanDisk ( SNDK) rose nearly 5%, Western Digital ( WDC) rose nearly 4%; Micron Technology ( MU) , Seagate Technology ( STX) and Silicon Motion ( SIMO) all rose over 3%.

skhynix-price-e4553698fc2a461b9c17eb9201fff420 SK Hynix stock price chart, Source: TradingView

Ranking only behind Samsung, SK Hynix, and Micron, ChangXin Technology, the world's fourth-largest DRAM manufacturer, debuted on the STAR Market of the Shanghai Stock Exchange today. It surged over 400% on its first day of trading, and this phenomenal rally has become a major catalyst and valuation anchor for the global memory sector's collective surge.

SK Hynix has delivered an outstanding performance in this rally, as it continues to be driven by other major tailwinds. According to the latest news released by the South Korean presidential office, SK Hynix and Samsung Electronics have officially signed long-term strategic cooperation agreements for AI semiconductors with major U.S. tech giants, with the total scale of cooperation expected to reach up to $950 billion.

In addition, SK Hynix will release its financial results this Wednesday (July 29). The market expects its Q2 operating profit to reach up to 64.1 trillion won (approximately $43.7 billion), which means it will not only set a new single-quarter record in the company's history but will also surpass its total projected profit for the entire year of 2025 in one fell swoop.

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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