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Beware the boom and bust cycle of memory stocks, investors warn amid AI boom

Cnbc · · 697 words · By Joseph Wilkins
Technological Disruption Market Cyclicality AI-Driven Investment Risk
open_in_new Read the original article: https://www.cnbc.com/2026/05/25/memory-stocks-cyclical-boom-bust-samsung-sk-hyni…

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Loaded Language 80% confidence
Using words with strong emotional connotations to influence an audience.

fact_checkFact-Check Results

11 claims extracted and verified against multiple sources including cross-references, web search, and Wikipedia.

info Single Source 5
check_circle Corroborated 4
help Insufficient Evidence 1
schedule Pending 1
info
“The memory industry has been in a period of sustained growth since the launch of ChatGPT in December 2022”
SINGLE SOURCE
The provided web search results for this claim are completely irrelevant, discussing biological human memory rather than the semiconductor memory industry.
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web search NEUTRAL — Sep 16, 2024 · Memory is how your brain processes and stores information so you can access it later. Most memory formation happens in your hippocampus, but the process also involves many other connect…
https://my.clevelandclinic.org/health/articles/memory
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web search NEUTRAL — Apr 20, 2026 · Quite simply, memory is our ability to recall information. The main two categories for memories are short-term and long-term. Short-term memories involve information that you only need …
https://www.health.harvard.edu/topics/memory
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web search NEUTRAL — Memory is not a perfect processor and is affected by many factors. The ways by which information is encoded, stored, and retrieved can all be corrupted.
https://en.wikipedia.org/wiki/Memory
info
“ChatGPT... triggered huge demand for high-bandwidth memory, or HBM”
SINGLE SOURCE
While the evidence defines HBM and mentions its producers, none of the provided sources explicitly link the launch of ChatGPT to the trigger of HBM demand.
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web search NEUTRAL — High Bandwidth Memory (HBM) is a computer memory interface for 3D-stacked synchronous dynamic random-access memory (SDRAM) initially from Samsung, AMD and SK Hynix. It is used in conjunction with high…
https://en.wikipedia.org/wiki/High_Bandwidth_Memory
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web search NEUTRAL — Видеокарта, которая использует HBM, в разрезе. Сверху: видеопроцессор и многокристальные микросборки памяти HBM расположены на общем кремниевом пассивном кристалле «silicon interposer», который реализ…
https://ru.wikipedia.org/wiki/Высокопропускная_память
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web search NEUTRAL — HBM stands for High Bandwidth Memory.HBM4 achieves higher bandwidth by doubling the number of channels per stack from 8 to 16 and a significantly faster I/O per pin. Source: SK Hynix.
https://www.nomadsemi.com/p/deep-dive-on-hbm
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“Samsung and SK Hynix are among the largest producers of HBM chips”
CORROBORATED
Multiple independent sources, including Wikipedia, a cross-reference from CNBC, and industry reports (Unibetter, export control analysis), confirm that Samsung and SK Hynix are among the largest producers of HBM.
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web search NEUTRAL — In 2025, the world's largest manufacturers of HBM include SK Hynix, Samsung Electronics, and Micron Technology. TSMC produces the base die for HBM and is ...
https://en.wikipedia.org/wiki/High_Bandwidth_Memory
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web search NEUTRAL — Based in South Korea, SK Hynix leads the global HBM market and is expected to retain over 50% of the market share, which stood at 62% in Q2 2025. The company's ...
https://en.unibetter-ic.com/top-high-bandwidth-memory-compan…
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web search NEUTRAL — Feb 2, 2026 ... Three companies control 97% of HBM wafer production today: SK Hynix and Samsung, of South Korea, and Micron, of Boise, Idaho. Because HBM is so ...
https://ai-frontiers.org/articles/high-bandwidth-memory-crit…
+ 1 more evidence source
info
“their stock prices have soared 114% and 186% higher year-to-date, respectively [Samsung and SK Hynix]”
SINGLE SOURCE
The specific figures (114% and 186%) appear in one specific news report. Another source mentions a different figure (120.34%) for a related company, and a third mentions market concentration but not these specific growth percentages.
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web search NEUTRAL — 4 hours ago ... Samsung and SK Hynix are among the largest producers of HBM chips, and their stock prices have soared 114% and 186% higher year-to-date, ...
https://www.cnbc.com/2026/05/25/memory-stocks-cyclical-boom-…
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web search NEUTRAL — 8 hours ago ... Market Concentration Risk: Samsung and SK Hynix together account for over 50% of South Korea's Kospi index, making their stock price ...
https://intellectia.ai/news/stock/warning-on-cyclicality-ris…
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web search NEUTRAL — 5 days ago ... ... SK Hynix and Samsung and continues to expand its capacity. ... The company's stock has surged 120.34% year-to-date. #SuperMicro ...
https://www.facebook.com/Stockstoearnpage/posts/breaking-cit…
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“US-based Micron Technology and SanDisk have each advanced 141% and 156% in 2026”
CORROBORATED
Two independent sources (the 'boom and bust' article and the 'AI Memory Stock Rally' article) report the exact same figures: Micron at 141% and SanDisk at 156% in 2026.
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web search NEUTRAL — 4 hours ago ... US-based Micron Technology and SanDisk have each advanced 141% and 156% in 2026. Central to the thesis underpinning the bull run in memory ...
https://www.cnbc.com/2026/05/25/memory-stocks-cyclical-boom-…
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web search NEUTRAL — ... Advanced Cable Technology. 10,985,017. 4,773,418. 77%. 148 Mobilize. 10,843,077 ... 141%. 234 EFB Elektronik. 6,692,636. 4,407,659. 193%. 235 Hypertec. 6,687,340.
https://iceclog.com/wp-content/uploads/2018/03/brands2017.pd…
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web search NEUTRAL — 1 hour ago ... ... technology stocks in both the United States and South Korea to ... • Micron Technology advanced about 141% • SanDisk rose approximately 156%.
https://www.marketspy.com/news/ai-memory-stock-rally-faces-r…
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“Alphabet's Google on March 24 unveiled TurboQuant, a new compression method”
CORROBORATED
Three independent sources (Google Research, Reddit/TechCrunch, and YouTube) confirm that Google unveiled TurboQuant on March 24, 2026.
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web search NEUTRAL — March 24, 2026. Amir Zandieh, Research Scientist, and Vahab Mirrokni, VP and Google Fellow, Google Research. We introduce a set of advanced theoretically ...
https://research.google/blog/turboquant-redefining-ai-effici…
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web search NEUTRAL — Mar 26, 2026 ... Google unveils TurboQuant, a new AI memory compression algorithm — and yes, the internet is calling it 'Pied Piper' | TechCrunch · Comments ...
https://www.reddit.com/r/technology/comments/1s3yjjb/google_…
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web search NEUTRAL — Mar 26, 2026 ... Check out Arena Zero: https://higgsfield.ai/s/arena-zero-ep1-airevolutionx-FFftuX Google just unveiled TurboQuant, a new AI compression ...
https://www.youtube.com/watch?v=GiVtPpEVdCY
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“TurboQuant... could reduce the amount of memory required to run large language models by six times”
CORROBORATED
Multiple sources confirm TurboQuant is a compression algorithm for LLMs, and one source explicitly states it reduces the memory required by 6x.
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web search NEUTRAL — Mar 24, 2026 ... We introduce a set of advanced theoretically grounded quantization algorithms that enable massive compression for large language models and ...
https://research.google/blog/turboquant-redefining-ai-effici…
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web search NEUTRAL — Mar 25, 2026 ... Google Research recently revealed TurboQuant, a compression algorithm that reduces the memory footprint of large language models (LLMs) while ...
https://www.reddit.com/r/LocalLLM/comments/1s3k7nq/googles_t…
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web search NEUTRAL — Mar 26, 2026 ... The new approach is staggering: it will reduce the amount of memory required to run LLMs by 6x. Matthew Prince, CEO of Cloudflare, called ...
https://www.linkedin.com/posts/davidelkington_google-just-ha…
info
“TurboQuant... caused a sharp decline in the share price of the biggest memory providers upon its release”
SINGLE SOURCE
The provided evidence for this claim consists of dictionary definitions of the word 'release' and GitHub CLI tool information, which do not address the stock price of memory providers.
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web search NEUTRAL — RELEASE definition: 1. to give freedom or free movement to someone or something: 2. to move a device from a fixed…. Learn more.
https://dictionary.cambridge.org/dictionary/english/release
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web search NEUTRAL — 6 days ago · release suggests a setting loose from confinement, restraint, or a state of pressure or tension, often without implication of permanent liberation.
https://www.merriam-webster.com/dictionary/release
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web search NEUTRAL — Jul 22, 2025 · Group that holds permissions to manage the github-release CLI tool project.
https://github.com/github-release
help
“Samsung and SK Hynix are responsible for sending South Korea's Kospi to stratospheric heights across 2025 and 2026”
INSUFFICIENT EVIDENCE
No evidence was provided or found for this claim.
info
“Together, the stocks comprise over 50% of the entire index [Kospi]”
SINGLE SOURCE
One source (Intellectia.AI) mentions that Samsung and SK Hynix together account for over 50% of the Kospi index, but no other independent sources corroborate this specific percentage.
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“Nomura estimating SK Hynix stock to hit 4 million won and Samsung Electronics to reach 590,000 won over the next 12 months”
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info Disclaimer: This analysis is generated by AI and should be used as a starting point for critical thinking, not as definitive truth. Claims are verified against publicly available sources. Always consult the original article and additional sources for complete context.