History Says Memory Stocks Like Micron and Sandisk Rarely Stay This Profitable for Long. Here's the Case for Why It's Different This Time.
2026-07-28 08:15
•Geoffrey Seiler •The Motley Fool
••••• •••• Axe Capital view
Why Memory Chip Profits May Last Longer This Time
AI-driven demand and supply constraints could mean a longer profit cycle for memory stocks, challenging past boom-bust patterns.
Memory chip makers like Micron and SanDisk have historically ridden wild profit cycles, driven by oversupply and rapid tech shifts. This time, however, the AI boom is reshaping demand for high-bandwidth memory—think specialized chips essential for data centers powering AI models. On the JSE, while we don’t have direct players like Micron, the rand (USD/ZAR) offers a lens: a persistently weaker rand could inflate costs for SA tech firms reliant on imports but also boosts exporters like Amplats and AngloGold, indirectly tied to global tech investment swings. The key difference now is tight supply due to high equipment costs and limited EUV lithography machines from ASML—the bottleneck means memory shortages may continue. If true, it challenges SA investors used to tech cycles where profits spike then vanish quickly. Still, this relies heavily on sustained AI investment and no sudden tech innovations to ease supply. Watch USD/ZAR closely; a stronger rand might squeeze local benefits from this cycle. this is just my opinion and not financial advice
Prefer watching USD/ZAR for tactical trades and favor exporters like AngloGold Ashanti as indirect beneficiaries of global tech spending. Avoid local tech-heavy retail counters for now until the cycle clarifies.
- USD/ZAR
- AngloGold Ashanti
- AI demand slows or plateaus sooner than expected
- Rapid tech advances ease supply constraints unexpectedly
6/10
Memory chip stocks Micron and Sandisk are experiencing exceptional profitability driven by AI infrastructure demand. Unlike historical boom-and-bust cycles, structural constraints in HBM production and long-term contracts suggest this cycle could be more sustained, potentially offering significant upside for memory stocks.
This article was originally published by The Motley Fool and has been adapted here for Axe Capital Trading News.
Publisher: The Motley Fool
Author: Geoffrey Seiler
Categories: Equities, Earnings, Technology, AI, Semiconductors
Tickers: MU, SNDK, SKHY, ASML
Sentiment: Positive - Strong revenue growth and record profits driven by AI demand. HBM supply constraints and long-term contracts provide visibility and reduce cyclicality. Current valuations may not reflect elongated cycle potential. Pure-play flash memory maker benefiting from constrained NAND supply amid soaring AI data center demand. Emerging high-bandwidth flash technology offers additional growth catalyst.
Keywords: memory chips, DRAM, NAND flash memory, AI infrastructure, high-bandwidth memory (HBM), supply constraints, semiconductor cycles
Insights:
- MU: Positive: Strong revenue growth and record profits driven by AI demand. HBM supply constraints and long-term contracts provide visibility and reduce cyclicality. Current valuations may not reflect elongated cycle potential.
- SNDK: Positive: Pure-play flash memory maker benefiting from constrained NAND supply amid soaring AI data center demand. Emerging high-bandwidth flash technology offers additional growth catalyst.
- SKHY: Positive: One of the big three DRAM makers positioned to benefit from sustained HBM demand and supply constraints driven by AI infrastructure build-out and long-term contracts.