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.
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.
A senator sold Apple and Nvidia in June. He bought Coherent and Micron instead.
Senator Sheldon Whitehouse's latest disclosure shows he sold Apple and Nvidia in late June, then bought Coherent and Micron the same week. Here's what the filing actually shows, and how each stock has moved since.
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.
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.
Penguin Solutions (PENG) beat earnings for a seventh straight quarter and raised its outlook
Penguin Solutions (PENG) beat earnings for a seventh straight quarter, posting record $479 million in sales and $0.84 EPS, and raised its full-year outlook again. Shares fell in the regular session before jumping in after-hours trading on the beat.
SK Hynix's $28 billion Nasdaq debut lands a cornerstone bet from Leopold Aschenbrenner's fund
SK Hynix's record roughly $28 billion Nasdaq listing (SKHY) drew a cornerstone commitment from Leopold Aschenbrenner's Situational Awareness fund. The twist: the fund's single biggest disclosed position is a bet against the chip sector, which makes an anchor check into a memory chipmaker the story worth watching.
Samsung's record beat couldn't stop a memory stock selloff, and Micron (MU) is caught in it
Samsung posted a record 89.4 trillion won ($58.5 billion) Q2 operating profit, up 18-fold year over year, and the stock still opened lower. Memory names like Micron, SanDisk, and Western Digital are down sharply while the broader Nasdaq 100 barely moved. This is still developing after-hours and can change fast.
SemiAnalysis says Nvidia's Kyber AI rack is delayed to 2028: what it means for NVDA, AMD, and the photonics trade
SemiAnalysis says Nvidia's Kyber NVL144 rack is delayed more than a year to 2028, its backup design was scrapped, and Rubin Ultra was quietly cut in half. NVDA barely moved and AMD jumped instead. Here's what it means for the wider photonics trade, from Coherent and Lumentum to POET Technologies.
Bullish Watch, week of July 6: four oversold names, and one that already bounced
This week's Bullish Watch: CleanSpark (CLSK), Nokia (NOK), Teradyne (TER), and Ondas (ONDS) are oversold; AeroVironment (AVAV) already bounced on a beat-and-raise plus a fresh Army contract.
Do politicians actually beat the stock market? What the data says
Nancy Pelosi, David Rouzer, Ro Khanna and more: do members of Congress really beat the stock market? What the research and the yearly reports actually show, and whether copying their trades works.
Chips had their third worst day of 2026 and the S&P barely noticed (MU, INTC)
The S&P 500 closed within a whisker of flat on July 1 and the chip trade still had its third worst day of the year. Micron fell 10.5 percent, Intel lost 9 percent, and Meta gained almost 9 percent on the other side. Here is the damage report.
The AI stocks that led and lagged the first half of 2026
The first half of 2026 split the AI trade in two. Memory and chip-supply names like Micron (MU, +304%) and Intel (INTC, +278%) soared, while marquee names lagged and AI software fell, with Palantir (PLTR) down about 34%. Here is the full scoreboard and what it means.
Meta's cloud news is hammering the neoclouds: CoreWeave and Nebius drop about 13% (July 1, 2026)
The same Meta cloud announcement that sent META up about 10% on July 1, 2026 is hammering the neoclouds. CoreWeave (CRWV) and Nebius (NBIS) each fell about 13% as investors saw a giant new rival for renting out AI computing power.
Where the money moved July 1: out of chips, into software, as Meta jumps on cloud news
A flat tape hid a sharp rotation on July 1, 2026: money moved out of semiconductors (SMH -4.2%) and into software (IGV +3.8%), led by Meta's (META) roughly 10% jump on news it will sell its spare AI cloud computing power.
Michael Burry shorts Tesla (TSLA) and Caterpillar (CAT), days after going long Microsoft (MSFT)
Michael Burry disclosed five new short positions on June 30, including a first-ever bet against Caterpillar (CAT), just days after a bullish, multi-year Microsoft (MSFT) bet. Every price he disclosed, and where the trades stand now.
AI investing glossary: the jargon behind every AI stock, explained
A plain-English glossary of the jargon in AI-stock coverage: GPU, HBM, foundry, neocloud, hyperscaler, capex, 13F, picks and shovels, Mag 7 and more, grouped by theme with links to fuller explainers.
Smart money is piling into AI neoclouds: Nebius NBIS, SharonAI SHAZ and Cerebras CBRS
Several top funds disclosed 5%+ stakes in AI compute names this spring: Leopold's Situational Awareness in Nebius (NBIS) and SharonAI (SHAZ), Tiger Global in Cerebras (CBRS), and Lone Pine in miners turned AI data centers TeraWulf (WULF) and Hut 8 (HUT).
AI's quiet winners: ASML, AMD and Vertiv VRT lead at the June 30, 2026 open
On the last trading day of the first half, the AI suppliers led again. ASML, Arm (ARM) and Vertiv (VRT) each rose about 4%, while Micron (MU) is up roughly 300% in 2026.
The hidden chokepoints behind the AI chip boom
Everyone watches Nvidia and TSMC. But the AI chip boom rests on a few obscure materials, often from one company, country, or town: ABF substrate, photoresist, high-purity quartz, neon and gallium. Who controls them, and how big the risk really is.
It is not just the chips: optics, memory and the neo-clouds all sold off this morning
The whole AI build-out sold off Monday morning, not just semiconductors. Optical names like Coherent (COHR) led the drop, memory (MU) and the neo-clouds fell hard, and Nebius (NBIS) was the lone holdout. What is going on.
The market's closed, but the weekend stock tape is flashing green
The US market is closed, but stocks trade 24/7 on Hyperliquid. As of Sunday night the weekend tape is green, led by the chip names that fell hardest Friday. Our read before Monday's open.
The government is betting billions on quantum computing, but the payoff is years away
Washington is now a quantum-computing investor, having committed about $2 billion to nine companies and taken equity stakes back in May. But the technology will not pay off for years, and the pure-play stocks are already priced for a future that has not arrived. Here is the realistic picture.
Can you trade stocks on the weekend? Inside Hyperliquid and the IBM run
A years-old Trump clip went viral on a Saturday and IBM gapped up 15% by Monday. You could watch the whole thing on Hyperliquid, where stocks, oil and indexes trade all weekend in stablecoins. Here is how it works, and why 8 PM Sunday matters.