AI Stocks & Markets
Sep 6, 2026

The Gist
AI memory demand is driving big moves: SanDisk jumped nearly 12% after Nvidia and Hugging Face partnerships plus a Dell warning on NAND supply, while a valuation model says the stock is still 18% undervalued. Meanwhile, Cisco is up 64% on a core rebound, but Jim Cramer warns Oracle’s AI buildout is risky, and Micron faces a key test amid AI fatigue. Bottom line: AI chip and memory winners are still separating from hype, so expect more volatile single-stock swings as earnings land.
Today's Stories
- 1
Sandisk stock 18% undervalued on AI memory growth, says model
Sandisk is set to join the S&P 100 index on September 21, with a year-to-date share price return of 532%. Hedge fund ownership more than doubled in the second quarter. The most-followed narrative values Sandisk at $2,126 per share, versus its last close of $1,740, implying an 18% upside on expected revenue acceleration and higher pricing power from AI and cloud data center demand.
A separate SWS DCF model flags Sandisk as overvalued at $1,740, estimating future cash flow value at $1,206.34. Risks include NAND supply moving into oversupply or AI data center demand cooling.
- 2
Cramer Cautions on Oracle's AI Buildout
Jim Cramer responded to a caller's question about Oracle's data center loans on September 2, saying the idea that moratoria on data center production increase the value of Oracle's approvals is "a little too optimistic." He noted any sign that Oracle cannot build as many data centers as expected would push the stock lower. Oracle's expansion is driven by surging enterprise demand for AI training and multi-cloud integrations, backed by a remaining performance obligation pipeline of around $638 billion. The main risk is massive capital expenditure and high debt from building data center regions, which pressures free cash flow and faces competition from Microsoft Azure, Amazon Web Services, and Google Cloud.
Oracle had 119 hedge fund holders in Q2, up from 115 in Q1, and short interest stands at approximately 2.78% to 2.81% of the public float. Cramer said he prefers NVIDIA and still thinks Dell is a terrific stock to own.
- 3
Cisco stock up 64% as core business rebounds
Cisco Systems (CSCO) stock returned about 64% over the past year, versus roughly 21% for the S&P 500. The gain reflects more than AI orders—the company's traditional networking business resumed growth. AI infrastructure for hyperscalers was only about 6% of revenue in fiscal 2026, up from under 2% in fiscal 2025, but it supplied more than half of the year's above-trend growth. The rest of Cisco grew too: revenue rose 11.8% over trailing twelve months, against a three-year average of 3.8%.
Management guides fiscal 2027 revenue growth of roughly 15%. Excluding $7.5 billion of hyperscale AI revenue, the CFO sees the rest of the business near 10% growth. The stock trades about 16% below its 52-week high.
- 4
SanDisk Stock Jumps 11.9% on Nvidia-Hugging Face, Dell NAND Warning
SanDisk stock rose 11.9% on Friday, September 4, closing at $1,740. Two events drove the move: Nvidia confirmed on September 3 it would acquire Hugging Face for $12.9 billion, and Dell's COO Jeff Clarke warned that NAND memory remains a supply constraint. The rally signals investors are betting that the NAND shortage, already priced for a year, is still far from resolved. Dell's warning and Nvidia's deal both point to memory, not compute, as the binding input on AI server production.
Analysts' mean target is $2,125, 22% above Friday's close. TIKR's mid-case model values SanDisk at $3,577 by June 2031, implying a 106% total return, or 16% annualized.
- 5
Lam Research Legal Chief Sells $1.5M in Stock as AI Chip Demand Soars
Lam Research's chief legal officer, Ava Harter, sold 5,000 shares at $302.46 on August 31, generating about $1.5 million and leaving her with 42,462 shares. The sale followed a Rule 10b5-1 plan adopted on April 28. The sale comes amid an AI-driven semiconductor equipment cycle, but preset trading plans weaken the case that it reflects a fresh reaction to operating conditions. Still, investors should not ignore cycle risk—demand can change quickly if customers overbuild capacity.
Short interest rose to 28.42 million shares (2.28% of float) as of August 14, up 5.4% from July 31. The article suggests that future returns depend on order durability, memory spending, China revenue, and margins, with deferred revenue and customer-capital budgets as earlier indicators.
- 6
Micron: AI Fatigue Into A Big Day
Micron Technology stands at the center of the AI memory boom, with HBM3E supply sold out through 2027 and HBM4E ramping in 2027. Expectations for fiscal Q4 are ridiculously high. You need to see revenue above $54 billion, gross margins exceeding 86%, and EPS of at least $33 to avoid selling. The Data Center segment, driven by HBM demand, anchors growth, while Mobile and Client/PC benefit from rising memory content per device.
Risks include competitive threats from SK hynix and Samsung, potential NAND/DRAM price declines, and investor sentiment reflecting severe AI fatigue impacting valuation.
What to Watch
Watch whether AI-driven memory demand can hold up as supply catches up, and keep an eye on Oracle and SanDisk updates for clues on whether current stock prices already reflect the risks ahead.
Sources
- Sandisk (SNDK) Could Be 18% Undervalued On Its AI Memory Growth Narrative
- Jim Cramer Shares a Cautious Take on Oracle (ORCL) and Its Massive AI Buildout
- Cisco Systems Stock Rose On More Than Its AI Orders
- SanDisk Stock Jumped 12% on Friday. The AI Memory Trade Just Got Louder
- Lam Research Legal Chief Sold $1.5 Million as AI Chip Demand Booms. Is the Signal Bearish?
- Micron: AI Fatigue Into A Big Day (NASDAQ:MU)
- Arista Networks (ANET) Following Its Q2 Beat, Is The AI Networking Story Still Undervalued?
- Western Digital Director Sold $2.5 Million After a Fourfold-Plus Run. Is AI Storage Momentum Peaking?
- Should Arista’s Q2 AI Networking Beat and Upbeat Q3 Outlook Require Action From Arista Networks (ANET) Investors?
- S&P Global Ratings: Hyperscaler Credit Quality Gradually Weakening as AI Capex Surges
- パナソニック ホールディングス(6752) AI関連の成長が追い風。業績予想を上方修正
- キオクシア・イビデンが10月1日付で株式分割 AI半導体株は買いやすくなるのか
- Is SK Hynix (NasdaqGS:SKHY) Undervalued On Tariff Talks And AI Memory Demand?
- Broadcom vs. Nvidia: 1 Critical Metric Shows Which Artificial Intelligence (AI) Chipmaker Is the Better Buy After Earnings
- With AI Revenue Set to Surge 400% Over the Next 2 Years, Broadcom Stock Looks Like a Buy on Recent Dip
- Two Chip-Equipment Stocks Just Crushed Nvidia. Is the AI Rally Broadening?
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