---
symbol: "SNDK"
name: "SanDisk"
date: 2026-07-31
change_pct: 31.04379702874785
direction: "up"
event_type: "sector_sympathy"
url: "https://perplo.app/why/SNDK/2026-07-31"
updated_at: 2026-07-31T11:06:46.794Z
---

# Why SanDisk (SNDK) rose 31.04% on July 31, 2026

SanDisk (SNDK) rose 31.04% on July 31, 2026 — Amazon, Microsoft AI spending surge lifts memory.

## What happened

Amazon and Microsoft earnings revealed sustained AI infrastructure spending, signaling datacenter capex momentum remains solid despite recent memory-sector volatility.

## Why it moved

Hyperscaler earnings confidence lifts sentiment across memory suppliers; SanDisk, as a key NAND provider to datacenters, benefits from renewed visibility into sustained AI-driven demand and inventory absorption at…

## Why it matters

Part of the AI Memory supercycle — the trade hinges on whether datacenters keep absorbing HBM and DRAM at higher prices as new supply ramps; hyperscaler earnings validate continued appetite, supporting the near-term…

## What would break the thesis

If supply normalization accelerates faster than demand growth, or if hyperscalers signal capex moderation in forward guidance, the elevated pricing cycle breaks and inventory risks re-emerge.

## Sources

- [Amazon, Microsoft Results Show AI Spending Spree Remains Solid](https://finnhub.io/api/news?id=851f489df4dcecd1b98561fe22b584f8118504d976a3ec94a53497deb82bddbd) — Yahoo
- [Micron, Sandisk and other chip stocks get major boosts in the wake of Microsoft’s earnings](https://www.marketwatch.com/story/micron-sandisk-and-other-chip-stocks-get-major-boosts-in-the-wake-of-microsofts-earnings-25460e61?mod=mw_rss_topstories) — MarketWatch
- [Analysts Predict Sandisk And Micron Still Good For Huge Gains](https://finnhub.io/api/news?id=5f71ab55e985a7ebd93fdf9b2e326f9fe5798423e474ed10023b827ea014fa37) — Yahoo

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