SanDisk stock surged 315.3% and Western Digital shares climbed 166.1% as the global AI infrastructure buildout creates massive demand for storage solutions across North America, Europe, and Asia-Pacific markets.
Western Digital shipped over 2.2 million ePMR drives to data centers expanding capacity for AI workloads. The company is capturing demand from the shift toward high-capacity storage systems required for training large language models deployed by tech giants from Silicon Valley to Shenzhen.
Micron Technology secured commitments for its entire calendar 2026 high-bandwidth memory (HBM) supply, with international customers locking in orders months ahead. HBM is critical for AI chips processing massive datasets. Two semiconductor manufacturers announced $400 billion in combined capital expenditures to build AI-focused production capacity across multiple continents.
Micron plans $20 billion in capital investment for fiscal 2026, including construction of data center megafabs. The spending reflects global confidence that AI compute expansion will require proportional increases in memory and storage infrastructure.
The storage sector is experiencing a positive feedback loop worldwide: AI systems need more storage, driving revenue for manufacturers, who invest in next-generation products enabling larger AI models. This cycle is pushing valuations higher across international markets.
Analysts tracking correlations between AI infrastructure announcements and storage stock performance see clear patterns across regions. Earnings calls from storage companies now routinely cite AI-driven demand as a primary growth driver, whether serving North American hyperscalers, European cloud providers, or Asian tech conglomerates.
HBM shipment volumes are rising alongside AI compute deployments globally. The technology offers bandwidth improvements over standard memory, making it essential for GPU-based AI training systems. Supply constraints are keeping prices elevated across all major markets.
The semiconductor and storage sectors are positioning for sustained growth as AI infrastructure buildout continues across developed and emerging economies. Companies with exposure to HBM, high-capacity drives, and data center products are seeing the strongest investor interest internationally.
Sources:
1 Yahoo Finance, "Micron CEO drops a bombshell after Micron’s huge earnings beat" (March 22, 2026)
2 Yahoo Finance, "Is Micron a Buy as Revenue Explodes Higher?" (March 22, 2026)
3 Nasdaq, "Could Buying $10,000 of Sandisk Make You a Millionaire?" (March 22, 2026)
4 Yahoo Finance, "Western Digital Books HDD Capacity Through 2026 On AI Data Center Demand" (March 22, 2026)
5 Yahoo Finance, "How The AI Data Center Cycle Is Reframing The Story For Nvidia (NVDA)" (March 22, 2026)