Western Digital Co. stock rose sharply in afternoon trading, climbing +7.0% to $566.37 and extending a broader rebound among memory and storage names. The move followed a major capacity declaration from SK Hynix and built on recent strong results from Western Digital itself.
SK Group Chairman Chey Tae-won said SK Hynix intends to roughly double its wafer capacity within five years and then triple that capacity by around 2034. That timeline prompted renewed investor interest in the AI-storage trade and supported the structural demand narrative that has underpinned Western Digital’s strong performance over the past year.
Western Digital’s most recent reported quarter contributes to that supportive picture. The company posted revenue of $3.34 billion, a 45% increase versus the same period a year earlier, and reported earnings per share of $9.26 compared with $2.17 in the prior-year quarter. Both top-line and EPS figures exceeded Wall Street expectations, reinforcing the positive sentiment around the stock.
Analysts have responded in kind. Citi, Wells Fargo, and Mizuho have all lifted their price targets for Western Digital in recent weeks. Citi moved its target to $685, citing strong AI-led demand and what it described as disciplined industry supply management as principal drivers. The stream of upgrades contributed to an optimistic tone around the company.
Another corporate action noted by market participants was Western Digital’s plan to exchange approximately 1.04 million SanDisk shares held by institutional investors for WDC stock. That transaction was characterized as a step toward optimizing the company’s capital structure that could, in turn, support shareholder value.
The broader equity market provided a constructive backdrop to the stock-specific developments. The S&P 500 gained +0.5% and the Dow Jones Industrial Average added +0.8% during the session, while peers in the storage sector also participated in the rally. SanDisk posted meaningful gains on the day, illustrating that Western Digital’s move formed part of a wider sector re-rating rather than an isolated jump.
Industry metrics further bolstered the bullish narrative. Data cited within the market showed record enterprise SSD revenues in Q1 2026, with a sharp quarter-over-quarter increase driven by AI Agent demand and orders from cloud providers. These demand signals across enterprise SSDs helped underpin investor confidence in storage companies more broadly.
Taken together, the SK Hynix capacity announcement, Western Digital’s strong earnings momentum, multiple analyst upgrades, and a favorable macro session pushed WDC to a session high of $572.29, notably above its previous close of $529.29. The stock remains under its 52-week peak of $602.54, leaving open the potential for further upside if AI-storage demand continues to outpace supply.
Context and market implications
This confluence of industry-level capacity signaling and company-level outperformance illustrates how supply-side expectations and current financial results can interact to move stock prices in the technology and storage subsectors. The SK Hynix announcement has broad implications across the memory complex, while Western Digital’s quarterly strength and capital-structure action are material to holders of WDC and related storage equities.
Investors will likely monitor how industry supply evolves relative to demand from AI workloads and cloud providers, as well as any follow-through in analyst sentiment and corporate moves intended to bolster shareholder value.