Markets Brief

Tuesday, July 21, 2026

Last updated 5:07 AM PT

Market Value

$185,222.50

Cost $239,993.08

Day's Gain

$0.00

0.00%

Total Gain

-$54,770.58

-22.82%

AI semis & memory

MU

Day's Gain $
$0.00
Day's Gain %
0.00%
Total Gain $
-$11,315.90
Total Gain %
-17.89%

Qty # 60 · Last Price $865.46 · Value $51,927.60 · Total Cost $63,243.50

Memory is the AI picks-and-shovels trade, and Micron locking up seven auto partners says demand is broadening beyond the data center. Down 17.89% in the position, I’d stay long and buy weakness in pieces because HBM tightness, pricing power, and auto contracts matter more than a flat tape today.

AI buildout — fiber, storage, power

SNDK

Day's Gain $
$0.00
Day's Gain %
0.00%
Total Gain $
-$8,865.50
Total Gain %
-38.93%

Qty # 10 · Last Price $1,390.95 · Value $13,909.50 · Total Cost $22,775.00

Storage is the AI infrastructure laggard, and SNDK needs NAND pricing, enterprise SSD demand, and hyperscaler capex to prove this drawdown is wrong. Down 38.93% in the position, I’d buy weakness in pieces only if margins and supply discipline are improving; otherwise let the trade come to you.

Other holdings

AMAT

Day's Gain $
$0.00
Day's Gain %
0.00%
Total Gain $
-$5,548.90
Total Gain %
-17.43%

Qty # 50 · Last Price $525.70 · Value $26,285.00 · Total Cost $31,833.90

Semicap equipment is still an AI capex derivative, but AMAT needs order growth, gross-margin durability, and foundry/logic demand to prove this drawdown is done. No fresh catalyst means I would hold the line, not add aggressively, and only buy weakness in pieces if the broader equipment cycle firms up.

AMD

Day's Gain $
$0.00
Day's Gain %
0.00%
Total Gain $
-$1,470.20
Total Gain %
-12.74%

Qty # 20 · Last Price $503.57 · Value $10,071.40 · Total Cost $11,541.60

AI silicon is the sector, and AMD has the right catalyst stack with Advancing AI 2026, price-target bumps, and a Microsoft deal pushing the datacenter story. At $503.57 and down 12.74% in the position, I’d stay long but make AMD prove margins, HBM/CoWoS supply, and customers beyond Microsoft before adding hard; this is buy weakness in pieces, not chase strength.

BE

Day's Gain $
$0.00
Day's Gain %
0.00%
Total Gain $
-$4,048.20
Total Gain %
-40.64%

Qty # 30 · Last Price $197.06 · Value $5,911.80 · Total Cost $9,960.00

Clean power first: those headlines are not Bloom Energy, they are noise, and BE has to prove grid-power demand can turn into profitable fuel-cell backlog with better margins. At $197 and still down 40%, I would not chase; hold the core, buy weakness only in pieces after margin proof, and trim rips until fundamentals catch the multiple.

GEV

Day's Gain $
$0.00
Day's Gain %
0.00%
Total Gain $
-$251.00
Total Gain %
-0.92%

Qty # 25 · Last Price $1,079.18 · Value $26,979.50 · Total Cost $27,230.50

Power infrastructure is the sector, and GEV sits right in the grid-power bottleneck with turbines, electrification capex, and margin leverage doing the work. Stay long, buy weakness in pieces, because this is an own-it-don’t-trade-it industrial while semis shake out.

INTC

Day's Gain $
$0.00
Day's Gain %
0.00%
Total Gain $
-$5,304.49
Total Gain %
-26.70%

Qty # 150 · Last Price $97.06 · Value $14,559.00 · Total Cost $19,863.49

Semis are catching a bid, but INTC is an earnings-risk name until margins, foundry capex discipline, and AI demand show up in the numbers. After a 150% run since January and a losing position, I’d trim strength into the print and only buy weakness in pieces if management proves the turnaround is real.

MRVL

Day's Gain $
$0.00
Day's Gain %
0.00%
Total Gain $
-$10,243.40
Total Gain %
-36.86%

Qty # 90 · Last Price $194.94 · Value $17,544.60 · Total Cost $27,788.00

Semis first: MRVL remains AI infrastructure plumbing, with optical, switching, and custom silicon carrying the bull case while legacy carrier and enterprise stay a drag. Down 36.86% with no fresh catalyst, I’d hold the core, stop adding blind, and only buy weakness in pieces when data-center orders show real follow-through.

SPCX

Day's Gain $
$0.00
Day's Gain %
0.00%
Total Gain $
-$180.11
Total Gain %
-42.90%

Qty # 2 · Last Price $119.85 · Value $239.70 · Total Cost $419.81

Space and defense are the setup: Cathie Wood adding SpaceX keeps the story alive, and the Defense Department angle matters because real contracts beat private-market hype. At a 42.90% position drawdown, I’d stay long only for SpaceX exposure, buy weakness in pieces, and demand proof of margins; this is not an own it, don’t trade it basket yet.

TSM

Day's Gain $
$0.00
Day's Gain %
0.00%
Total Gain $
-$1,482.00
Total Gain %
-15.55%

Qty # 20 · Last Price $402.30 · Value $8,046.00 · Total Cost $9,528.00

Semis: TSM is still the AI foundry toll road, and a Zacks strong-buy upgrade plus fresh institutional buying only matters because margins, CoWoS capacity, and leading-edge demand keep the story alive. I like this name on weakness in pieces, but with the position down 15.55%, own it, don’t trade it unless customer concentration or capex discipline breaks.

WDC

Day's Gain $
$0.00
Day's Gain %
0.00%
Total Gain $
-$6,060.88
Total Gain %
-38.34%

Qty # 20 · Last Price $487.42 · Value $9,748.40 · Total Cost $15,809.28

Storage is a cycle, and with no fresh catalyst I want discipline: protect capital, don’t average down just because it’s down 38%. I’d hold only if the margin and AI storage capex thesis is still intact; otherwise trim into strength and redeploy into cleaner semis.

Watchlist

CBRS

CEREBRAS SYSTEMS INC COM CL A

$176.88 $0.00 (0.00%)

No catalyst, no chase: CBRS is a watchlist name that has to earn attention with volume, margin progress, or a sector-specific trigger. Flat tape at $176.88 says the setup has not changed; I’d wait for fresh news before calling the trade on.

GLW

CORNING INC COM

$153.10 $0.00 (0.00%)

GLW is a glass-and-optical infrastructure name, so with no fresh headlines I’m watching AI data-center fiber demand, pricing, and margin lift before calling the next leg. The setup is fine, but at $153 with no catalyst today, I wait for earnings color or a pullback before getting aggressive.

GOOGL

ALPHABET INC CAP STK CL A

$351.99 $0.00 (0.00%)

Alphabet's custom AI chip push is the right sector tell: if Gemini inference gets cheaper, margins can survive the AI capex arms race while Nvidia dependency comes down. Watch cloud growth and ad resilience next, because this move makes GOOGL more interesting on weakness, not a chase at $351.99.

IRDM

IRIDIUM COMMUNICATIONS INC COM

$46.41 $0.00 (0.00%)

Aerospace navigation is heating up, but this Q-CTRL headline is not an IRDM catalyst today; it says defense aviation wants resilient positioning, not that Iridium wins new traffic. For IRDM, watch subscriber growth, ARPU, government renewals, and margin leverage, because at $46.41 the setup needs fundamentals, not quantum buzz, before the trade is on.

LITE

LUMENTUM HLDGS INC COM

$765.55 $0.00 (0.00%)

Optical is the AI bandwidth trade, and Barclays upgrading Lumentum before chip earnings says the Street wants cleaner exposure to datacenter demand and margin recovery. Watch orders, hyperscaler concentration, and gross margins; flat today changes nothing, but a clean print makes this an “own it, don’t trade it” candidate.

LRCX

LAM RESEARCH CORP COM NEW

$306.76 $0.00 (0.00%)

Semi equipment first: LRCX is a wafer-fab capex call, and this headline is junk sports noise, not a Lam Research signal. Watch memory/HBM spend, China exposure, and foundry capex discipline; I like the setup on weakness, not a flat tape with no catalyst.

NVDA

NVIDIA CORPORATION COM

$203.28 $0.00 (0.00%)

AI price targets are noise; the real NVDA setup is data-center demand, HBM supply, CoWoS capacity, and whether hyperscaler capex keeps powering margins. Watchlist stance: I like the name, but with the stock flat at $203.28 and the headline thin, the move has not changed the setup; buy real weakness in pieces, not algorithm chatter.

PLTR

PALANTIR TECHNOLOGIES INC CL A

$134.85 $0.00 (0.00%)

Software AI is entering the proof-of-ROI phase, and Karp is right to press the token-rental model because PLTR wins only if customers turn pilots into durable operating workflows. At $134.85 and flat today, the setup has not changed: watch margins, net expansion, government-to-commercial spillover, and whether AIP demand compounds without bloated capex.

PWR

QUANTA SVCS INC COM

$632.56 $0.00 (0.00%)

PWR is an electrification-and-AI-grid capex story, so watch backlog conversion, utility spending, labor availability, and whether margins hold as project complexity rises. I like the setup on weakness, not as a chase at $632.56; own the theme, but make the stock earn the multiple.

Q

QNITY ELECTRONICS INC COMMON STOCK

$134.58 $0.00 (0.00%)

No fresh tape means the setup is sector-led, not company-led, so watch whether buyers keep paying for quality growth at $134 and change. I would wait for a real catalyst or a pullback; flat action with no news is a tell to track it, not chase it.

SIMO

SILICON MOTION TECHNOLOGY CORP SPONSORED ADR

$252.61 $0.00 (0.00%)

Semis are telling you advanced packaging demand is still pulling supply chains tighter, and Phoenix Silicon's recycled-wafer profit spike says the capex cycle has breadth beyond the marquee AI names. For SIMO, watch whether controller demand and margins can ride that same process momentum; I like tracking it, but the trade is only on if revenue growth follows the sector signal.