Search





Search





AnalysisStocks

Memory Stocks Rebound Across the Board as Micron, SanDisk and SK Hynix Gain Over 2%

TradingKey

AuthorBlock Tao

Oct 9, 2026 8:53 AM

AI Podcast

View all comments（0）



On October 9 Eastern Time, memory sector stocks rebounded over 2% in pre-market trading, recovering from a previous broad decline driven by fears of legacy DRAM and NAND oversupply from Toshiba's capacity expansion. Wall Street institutions clarified that oversupply and HBM price-cut concerns were overblown. Structural demand for high-capacity DDR5, enterprise SSDs, and HBM driven by AI computing remains robust. However, investors must remain cautious of high-beta volatility and potential positioning shakeouts amid significant year-to-date gains and sensitivity to short-term news flow.

AI-generated summary

TradingKey - Memory sector stocks rally across the board in pre-market trading, with Micron, SanDisk, and SK Hynix all rising over 2%.

On October 9 Eastern Time, memory concept stocks surged collectively in pre-market trading, reversing yesterday's broad decline. Among them, SK Hynix (SKHY) rose 2.35%, Micron Technology (MU) gained 2.14%, SanDisk (SNDK) advanced 2.08%, Western Digital (WDC) rose 1.73%, and Seagate Technology (STX) climbed 1.46%.

skhy-price-22becd7e3cfd45d2b8f9c449641ac1ba SK Hynix stock price chart, Source: TradingView

Recently, news of Toshiba's capacity expansion triggered market fears of legacy DRAM / NAND oversupply, leading to a collective sharp drop and cascading liquidations in the memory sector, with the three memory giants—Micron, SanDisk, and SK Hynix—all falling over 4%, while Western Digital dropped nearly 3%.

As market over-panic regarding oversupply from Toshiba/Kioxia's capacity expansion plans gradually dissipated, alongside clarifications issued by Wall Street institutions, capital flowed back into the memory sector. Multiple brokerages, including Cantor Fitzgerald and Mirae Asset, released reports stating that market fears over capacity excess and HBM price cuts were clearly overblown.

Although short-term performance faced disruptions from capacity expansion rumors and sentiment, structural demand for high-capacity DDR5, enterprise SSDs, and HBM driven by global AI computing buildouts remains robust. However, investors should remain cautious of positioning shakeouts, as memory stocks have posted massive gains year-to-date, and their high-beta nature makes them vulnerable to synchronized sharp swings triggered by short-term news flow.

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

View Original

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.

Comments (0)

Click the $ button, enter the symbol, and select to link a stock, ETF, or other ticker.

Commenting Guidelines

Recommended Articles

Optical Communication Stocks Rally as Lumentum Optical Component Capacity Sold Out Through 2029, Shares Rise Over 4%

TradingKey - On October 9, U.S. optical communications stocks generally rose in pre-market trading, with Applied Optoelectronics (AAOI) rising over 5%, Lumentum (LITE) up over 4%, and MaxLinear (MXL), Coherent (COHR), and AXT (AXTI) all gaining more than 3%. The main catalyst behind the sector's strength came from the latest remarks by optical communications leader Lumentum. The company's CEO, Michael Hurlston, stated that driven by demand for AI data center construction, its optical component capacity has been booked by customers through early 2029.

McDonald's Stock Price Forecast: AI Pricing Tool Faces Antitrust Lawsuit, Can MCD Hold $230?

TradingKey - On October 8 ET, McDonald's (MCD) closed up 2.61% at $236.90, down 30.68% from its 52-week high of $341.75 set on March 2.

Micron Stock Forecast: OpenAI Revenue Rumors Rattle AI Chip Sector, Can MU Stock Keep Rising?

TradingKey - As of the close on October 8, Eastern Time, Micron (MU) shares closed down 4.79% at $1,035.84, with an intraday high of $1,088.50 and a low of $1,032.10, on a trading volume of approximately 29.91 million shares. This follows a 4.06% gain to $1,088 on October 7, with the sharp volatility over two consecutive trading days indicating a widening short-term divergence between bulls and bears.

SoftBank Stock Forecast: OpenAI Revenue Data Sparks Valuation Concerns, Can Shares Rebound After a Sharp Drop?

TradingKey - According to the Financial Times, OpenAI's annualized revenue reached nearly $50 billion as of the end of September, falling short of the approximately $70 billion previously estimated by investors on an adjusted basis. Following the report, SoftBank's stock dropped to as low as 5,600 yen during intraday trading on October 9, representing a maximum decline of around 7.3%. By the close, SoftBank narrowed its loss to 3.92%, ending at 5,803 yen.

Nikkei 225 Closes Lower, SoftBank Drops Nearly 4% as OpenAI Revenue Data Hits AI Market Confidence

TradingKey - On October 9, Japanese stocks closed slightly lower, with the Nikkei 225 Index falling 11.19 points, or 0.02%, to 69,030.92. South Korean markets were closed for a holiday, with no trading conducted on the day.

Featured Tools