SanDisk Soars 9%, Western Digital Rallies 5%, Micron Rises 3% as Memory Trade Reawakens

Memory stocks are bouncing hard astatine midday connected Thursday aft a punishing week for the sector. SanDisk (NASDAQ:SNDK) shares are up 9%, Western Digital (NASDAQ:WDC) banal is higher by 5%, and Micron Technology (NASDAQ:MU) shares are advancing 3%.

The rebound follows a brutal 5 sessions successful which each of the 3 was down betwixt 4% and 9%. SNDK banal had slipped 4% implicit the past week, WDC shares had dropped 7%, and MU banal had fixed backmost 9% heading in.

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The reversal is happening wrong 1 of the hottest AI-themed corners of the market. SanDisk banal is up 3,852% implicit the past year, an bonzer determination tied to its NAND pure-play presumption aft splitting from Western Digital successful 2025.

Memory Trade Reawakens After Rough Week

The catalyst is partially mechanical. Each sanction had stretched little into Wednesday's close, and dip-buyers are stepping backmost successful crossed the representation analyzable connected a quieter macro tape, with SanDisk banal starring the move.

The cardinal backdrop remains the aforesaid communicative that has powered the radical each year. High bandwidth representation (HBM) for AI accelerators has been the ascendant catalyst for Micron, with the company's Cloud Memory Business Unit posting $5.284 cardinal successful Q1 FY2026 gross astatine a 66% gross margin.

SanDisk's Q3 FY2026 people connected April 30 reset expectations for the NAND side, with gross of $5.95 cardinal up 251% twelvemonth implicit twelvemonth and gross borderline of 78%. CEO David Goeckeler called it "a cardinal inflection constituent for Sandisk" driven by datacenter premix shift.

Western Digital, the post-spinoff HDD pure-play, besides crossed a milestone, with Q3 FY2026 non-GAAP gross borderline reaching 51%. CEO Irving Tan asserted that "Virtually each AI workload, from training, inference, agentic AI to carnal AI, creates information that is stored persistently and cost-efficiently connected HDDs."