Dennis Singleton
Author

Dennis Singleton

Markets Writer
275 articles𝕏

Dennis Singleton has spent years following the markets, but what keeps his attention is how AI is built. He writes about the companies behind the technology, from semiconductor designers and advanced packaging to photonics, memory, networking, and the hardware powering modern AI. His approach starts with filings, earnings, and industry research, then translates the important details into clear, straightforward analysis without unnecessary hype.

EquitiesAI and SemiconductorsMarkets ExplainedInvestor Education

Articles by Dennis Singleton

Page 8 of 12
Bitcoin miners are becoming AI landlords. Here's how far each one has actually gotten.
Explainers

Bitcoin miners are becoming AI landlords. Here's how far each one has actually gotten.

Eight bitcoin miners are pitching the same AI pivot, but they're nowhere near equally far along. IREN and TeraWulf already have AI revenue flowing. Hut 8, Cipher and Applied Digital have billions in signed leases that haven't started billing yet. CleanSpark still just mines bitcoin.

Jul 14, 2026
New York froze new data centers for a year, and TeraWulf just became the day's biggest loser because of it. Nebius, close behind, has nothing to do with New York.
News

New York froze new data centers for a year, and TeraWulf just became the day's biggest loser because of it. Nebius, close behind, has nothing to do with New York.

Governor Hochul signed a first-in-the-nation moratorium on new hyperscale data centers today, and TeraWulf (WULF) fell 6.7%, the hardest hit in the group, because it owns exactly the kind of project the order targets. Nebius (NBIS) fell almost as much, and Digital Realty (DLR) also dropped on real New York exposure, but Nebius and CoreWeave (CRWV) have nothing to do with Albany.

Jul 14, 2026
Gloo (GLOO) sells tech to churches. One of its biggest shareholders is Bill Hwang's foundation.
News

Gloo (GLOO) sells tech to churches. One of its biggest shareholders is Bill Hwang's foundation.

Grace & Mercy Foundation just bought $3 million more of Gloo (GLOO) stock, bringing its stake to about 18.6%. The foundation was founded by Bill Hwang, the Archegos founder sentenced to 18 years in prison for a fraud that cost banks $30 billion.

Jul 13, 2026
Penguin Solutions (PENG) hit a 52-week high last week. Its own debt sale knocked it down 12% on July 13.
News

Penguin Solutions (PENG) hit a 52-week high last week. Its own debt sale knocked it down 12% on July 13.

Penguin Solutions announced a $650 million convertible notes offering after Monday's close, and the stock dropped as much as 12% in after-hours trading before clawing back some of the loss. The sale comes less than a week after PENG touched a 52-week high on a blowout earnings beat.

Jul 13, 2026
Figma's 12% jump is a short squeeze. Astera Labs fell 13% on no news at all.
News

Figma's 12% jump is a short squeeze. Astera Labs fell 13% on no news at all.

Figma led todays gainers on a short squeeze, not sector strength. Astera Labs led losers on no company news at all, dragged down by the same SK Hynix crash rattling memory chips. Here is what todays biggest movers actually tell you.

Jul 13, 2026
The VIX is up 8% today. Gold, bonds and Bitcoin are all down anyway.
News

The VIX is up 8% today. Gold, bonds and Bitcoin are all down anyway.

The CBOE Volatility Index jumped 7.6% today, intraday around 11:30am ET, real fear in the tape. But gold, silver, Treasury bonds and Bitcoin all fell anyway. Energy and oil were the clear winners, technology and small caps the clear laggards.

Jul 13, 2026
The Iran war just crashed the Kospi into its 7th circuit breaker of the year. SK Hynix fell harder than Samsung again.
News

The Iran war just crashed the Kospi into its 7th circuit breaker of the year. SK Hynix fell harder than Samsung again.

South Korea's Kospi crashed 8.95% and halted trading for the seventh time this year as US strikes on Iran spread to Bahrain, Oman, Jordan and Kuwait. SK Hynix fell harder than Samsung again, and its three-day-old US ADR followed the Seoul selloff down too, though by a smaller margin.

Jul 13, 2026
Inside the AI hardware stack, from Nvidia's chips to the grid that powers them
Explainers

Inside the AI hardware stack, from Nvidia's chips to the grid that powers them

An AI data center is seven layers of hardware: GPUs, memory, storage, CPUs, networking, manufacturing, and power. Here's the full map, with the public companies behind each layer and where the bottlenecks actually are.

Jul 12, 2026
Futures down, oil up just 3% after Iran closes the Strait of Hormuz (July 12, 2026)
News

Futures down, oil up just 3% after Iran closes the Strait of Hormuz (July 12, 2026)

Iran declared the Strait of Hormuz closed after the heaviest weekend of US strikes in months. Stock futures opened lower Sunday night and oil jumped about 3.1%. When this war started in March, the same headline took Brent to $126.

Jul 12, 2026
The government is banking on drones becoming the future of warfare. The stocks got crushed anyway
Explainers

The government is banking on drones becoming the future of warfare. The stocks got crushed anyway

Ukraine is fighting with cheap, disposable drones and the Pentagon wants nearly $75 billion for unmanned systems next year. AeroVironment, Kratos, Red Cat, Ondas, Unusual Machines, and AIRO are all down 45% to 65% anyway. Here's why.

Jul 11, 2026
Institutions got SK Hynix at $149. The public paid $170 the next day.
News

Institutions got SK Hynix at $149. The public paid $170 the next day.

SK Hynix's $26.5 billion Nasdaq ADR priced at $149, and ten investors took half the deal. When SKHYV actually started trading, the first print came in at $171.71. Here's how the allocation worked, and why the public never had a shot at that price.

Jul 11, 2026
Bullish Watch, week of July 13: the market panicked over a Meta headline, and got it wrong
News

Bullish Watch, week of July 13: the market panicked over a Meta headline, and got it wrong

This week's watchlist, updated through Tuesday: Nebius gave back its early bounce on a data-center headline unrelated to its business, Kraken Robotics is holding up best of the five, Intel swung from a 6% drop to a 4.5% rally in two days, and Rocket Lab and Harmonic are still finding their footing.

Jul 11, 2026
Why options really do lose value fast on Fridays, and it's not a Wall Street conspiracy
Explainers

Why options really do lose value fast on Fridays, and it's not a Wall Street conspiracy

It feels like your option loses value the moment Friday shows up, and a lot of traders assume institutions are rigging it against them. The real explanation, theta decay and how market makers hedge, is less sinister and more useful to actually understand.

Jul 10, 2026
What is a SPAC? DraftKings, Lucid and the Agility Robotics deal (CCXI), explained
Explainers

What is a SPAC? DraftKings, Lucid and the Agility Robotics deal (CCXI), explained

A SPAC skips the normal IPO process by merging a private company into an already-public shell. Here is how that actually works, and what happened to the famous ones, from DraftKings to Lucid to the Agility Robotics deal (CCXI) moving through the pipeline right now.

Jul 10, 2026
Meta (META) jumps 4.7% on Muse Spark 1.1, Zuckerberg's return to X, and the Alberta data center
News

Meta (META) jumps 4.7% on Muse Spark 1.1, Zuckerberg's return to X, and the Alberta data center

Meta Platforms (META) closed up about 4.7% on July 9, with the gains accelerating hardest in the final hour of trading. A new coding AI model, Mark Zuckerberg's first X post in three years, and last week's $9 billion Canada data center all fed the same move.

Jul 9, 2026
TeraWulf is borrowing $3.5 billion for its Anthropic data center. Here's what that means for the stock (WULF)
News

TeraWulf is borrowing $3.5 billion for its Anthropic data center. Here's what that means for the stock (WULF)

TeraWulf is raising $3.5 billion in debt, its first-ever leveraged loan deal, to build the Kentucky campus behind its $19 billion Anthropic lease. The stock is up again today, but the move is more complicated than it looks.

Jul 9, 2026
Jim Cramer's tech calls, like Micron and Intel, are missing far more than everything else
News

Jim Cramer's tech calls, like Micron and Intel, are missing far more than everything else

We pulled 23 of Jim Cramer's stock calls from late April through early July and checked the real numbers. His tech picks are down 7.2% on average with just 1 winner out of 10. His other calls are roughly flat, and just under half are green.

Jul 9, 2026
SK Hynix priced its Nasdaq debut 3.1% above Seoul, after demand ran 7 times oversubscribed.
News

SK Hynix priced its Nasdaq debut 3.1% above Seoul, after demand ran 7 times oversubscribed.

SK Hynix guided its Nasdaq ADR offering to $149 each, a 3.1% premium to Seoul's close, after the book ran more than 7 times oversubscribed. Here's the math behind the premium and who anchored the deal.

Jul 9, 2026
Chip stocks just had their best day in weeks. Meta and Amazon are both betting billions that AI compute demand isn't topping out (MU, WDC, META)
News

Chip stocks just had their best day in weeks. Meta and Amazon are both betting billions that AI compute demand isn't topping out (MU, WDC, META)

Micron, SanDisk, and Western Digital are having their best day in weeks. A week after a rumor said Meta had too much AI compute, Meta and Amazon both bet billions that demand is still growing, and Samsung's own record quarter couldn't shake investors until this week's data center news did.

Jul 9, 2026
Meta said it had spare compute. Then it broke ground on a $9 billion data center in Canada (META, CRWV, NBIS)
News

Meta said it had spare compute. Then it broke ground on a $9 billion data center in Canada (META, CRWV, NBIS)

A week after Meta's excess-compute cloud plan crushed the neoclouds, it broke ground on a C$13 billion, 1-gigawatt data center in Alberta, Canada. The demand is real.

Jul 8, 2026
China called Claude Code a security backdoor. Here's what it means for Anthropic's trillion-dollar IPO.
News

China called Claude Code a security backdoor. Here's what it means for Anthropic's trillion-dollar IPO.

China's National Vulnerability Database called Anthropic's Claude Code a security backdoor, and Alibaba banned it. Amazon and Google's stakes in Anthropic already drive over half their quarterly profits, with a trillion-dollar IPO on the way.

Jul 8, 2026
The Nasdaq fell 8% when this war started, then blew past its old record high.
News

The Nasdaq fell 8% when this war started, then blew past its old record high.

Iran escalated again today, and the Nasdaq is only down about 0.8%. This same war already showed the pattern once: an 8% drop in March, then a genuine record high by June.

Jul 8, 2026
Wall Street used to move the Kospi. This week, the Kospi moved Wall Street.
News

Wall Street used to move the Kospi. This week, the Kospi moved Wall Street.

South Korea's Kospi tumbled into a bear market this week. Its relationship with Wall Street isn't a one-way street. It runs both directions, depending on where the shock starts.

Jul 8, 2026
TeraWulf, CoreWeave, and Nebius are having a big day. The stocks still mostly mining bitcoin are not.
News

TeraWulf, CoreWeave, and Nebius are having a big day. The stocks still mostly mining bitcoin are not.

TeraWulf, Nebius, IREN, CoreWeave, and five other AI infrastructure stocks are surging together Wednesday, while HIVE Digital and CleanSpark, the two names still mostly mining bitcoin, are red. The split isn't random.

Jul 8, 2026