Micron Slips 3% Despite Record Quarter and Above-Consensus Guidance; Western Digital Dips, SK Hynix Drifts

Micron just delivered the kind of quarter that should send a stock soaring, yet sellers showed up anyway. What the market's reaction reveals about where memory stocks go from here deserves a closer look.

Published October 1, 2026, 10:16am ET · 3 min read

Market Movers desk. Editor: David Moadel.

This post may contain links from our sponsors and affiliates, and Flywheel Publishing may receive compensation for actions taken through them.

A macro shot focuses on a rectangular purple-pink semiconductor chip with the words '3D NAND Flash Memory' printed in black. It is centrally placed on an intricate blue circuit board, featuring numerous tiny metallic and dark grey electronic components, and fine golden circuit traces.
The crucial 3D NAND Flash memory chip, a key component in modern electronics, underlies the performance and market trends of memory and storage companies discussed in the article. © luchschenF / Shutterstock.com

A record quarter and an upbeat outlook are drawing sellers into Micron Technology (NASDAQ:MU | MU Price Prediction) stock, and the pullback carries the familiar shape of profit taking after a powerful run. Micron shares are down 3% to $1,034.34 this morning, a quiet but telling reaction to a report that topped forecasts.

Meanwhile, Western Digital (NASDAQ:WDC) stock is sliding 2% to $447.50, moving lower alongside Micron stock. SK Hynix (NASDAQ:SKHY) shares are nearly unchanged at $183.73. Seagate Technology (NASDAQ:STX) and SanDisk (NASDAQ:SNDK) round out the memory and storage cluster tied to the same data center build-out.

The Roundhill Memory ETF (CBOE:DRAM) is down 1% to $59.89, holding comparatively steady despite the drop in Micron stock. Over in large-cap tech, the Invesco QQQ Trust (NASDAQ:QQQ) is practically unchanged at $738.87. With both funds holding fairly steady, the selling looks concentrated in Micron and Western Digital shares, leaving the memory group uneven.

Record Quarter Meets Profit Taking

Revenue at Micron reached a record $54.23 billion in the fiscal fourth quarter of 2026, which the company reported after the close on September 30. Micron’s top and bottom lines both beat Wall Street expectations, and the company’s current-quarter revenue guidance landed above analyst forecasts. Demand from the artificial intelligence (AI) build-out fuels that growth, since data centers consume enormous quantities of memory and fast storage, and Micron produces both.

MU earnings explorer

JPMorgan analyst Harlan Sur called Micron’s quarter a decisive beat-and-raise, paired with an upgraded view of how tight supply and demand have become. Sur asserted that those drivers point to a multi-year earnings story for Micron. Such a framing presents the company’s quarter as one step in a longer climb.

D.A. Davidson analyst Gil Luria stated that the most important takeaway was Micron management’s indication that memory markets could grow tighter still from here. Luria’s view addresses the concern that current conditions mark a cyclical peak for Micron. Taken together, the two analysts read Micron’s quarter as extending the cycle.

Memory Names Diverge After Micron’s Report

Micron stock climbed 268% year to date through the prior session’s close, and that run is the context that makes selling a beat rational. Any stock that has multiplied this year has already priced in a great deal of good news before a release lands, so an upside surprise is less likely to move Micron shares higher. That leaves less room for upside. Profit taking of this kind tends to target the biggest winners, a group that clearly includes Micron stock.

Judging by recent trading sessions, it looks like the market may be separating the post-earnings reset in Micron stock from the broader AI memory trade. Seagate and SanDisk shares trade within that same cluster. They are tied to the data center demand that lifted Micron’s revenue, the same build-out we mapped across seven non-chipmaker suppliers in a free report.

What to Watch Next

Traders can watch for whether Micron stock steadies after the initial wave of selling, since a quick recovery could indicate the profit taking has run its course.

A measured approach fits Micron stock after a run this large, with the sell side’s bullish read on one side and high expectations on the other. Investors weighing their exposure should adjust their holdings carefully given the 268% gain Micron stock has posted this year.

Contact [email protected] for any questions or corrections.

David Moadel

David Moadel is financial writer specializing in stocks, ETFs, options, precious metals, and Bitcoin. David has written well over 1,000 articles for leading online publications, helping investors understand markets, income strategies, and risk.His work has appeared in The Motley Fool, InvestorPlace, U.S. News & World Report, TipRanks, ValueWalk, Benzinga, Market Realist, TalkMarkets, Finmasters, 24/7 Wall St., and others.With a master’s degree in education, David has taught at the elementary, high school, and college levels. That teaching background shapes his writing style: clear, educational, and practical. David has also built a loyal social-media audience by providing trustworthy financial content on YouTube, X/Twitter, and StockTwits.

All articles →