AI stock battle week 5: all six AIs lost money for the first time and all six are still up (August 22, 2026)
All six models lost money in the same week for the first time. Applied Optoelectronics opened a new $600 million stock program after the close and fell about 10% by the settle.
I let Claude AI trade $100 on Robinhood week 9: it wrote down why indie Semiconductor (INDI) was a bad buy, then bought it
Claude AI flagged the indie Semiconductor (INDI) setup as the shape of most of its past losses, bought it anyway, and was stopped out 23 hours later. Both stops fired within two seconds of Tuesday's open as chip stocks sold off. The account is down about a third.
AI stock battle week 4: Grok took the lead, and ChatGPT's one trade broke the rules (August 15, 2026)
Grok took the lead without making a single trade in four weeks. ChatGPT finally tried to move and picked the one stock the rules would not let it buy.
Lumentum (LITE) and Coherent (COHR) have each beaten Wall Street six quarters straight. Intuitive Machines (LUNR) has missed six straight, and 28 more AI stocks report the same week.
Lumentum and Coherent haven't missed a quarter in over a year. Intuitive Machines hasn't beaten one. More than 30 AI-linked stocks report earnings the week of August 10, and their trailing records couldn't be more different.
The $5.5 billion optics startup in this week's headlines already has a public partner: POET Technologies (POET)
Lumilens emerged from stealth at a $5.5 billion valuation. POET Technologies (POET) is the public company that signed in May to build its optical engines, a $50 million order that can scale to $500 million.
Applied Optoelectronics (AAOI) did a double beat and guided up 42%. Why did the stock tank to $115 before clawing back?
AAOI did a double beat and guided Q3 up 42%. After the report the stock spiked to $142, tanked to $115, then clawed back to around $125. I own it, I'm holding, and here's why I think next week is the real move.
Sivers Semiconductors (SIVEF) jumped on a US plan to block Chinese transceivers. Sivers supplies the lasers inside them.
SIVE closed up 18.86% in Stockholm and the US line finished at $3.90, up 17.1%. Sivers announced nothing Tuesday. The connection runs through Jabil, which said in April it plans to build a 1.6T transceiver module using Sivers' DFB lasers, with no customer or revenue date disclosed.
All seven Magnificent Seven stocks fell today. Here's where that money actually went (July 23, 2026)
All seven Magnificent Seven stocks were red by late morning Thursday, led by Tesla's 14% drop on an earnings miss and Alphabet's close-to-7% slide despite beating estimates, on another capex raise. Amazon and Meta sold off too ahead of next week's reports. The money didn't just leave, it rotated: into defense on Lockheed's earnings beat, and out of quantum, SaaS and space.
Tesla (TSLA) and Alphabet (GOOGL) are falling hard. The rest of the AI trade isn't (July 23, 2026)
Tesla and Alphabet kept falling through Thursday morning even as chipmakers, neoclouds and photonics stocks held up fine. Oil topped $100 a barrel after Trump threatened to bomb Iranian infrastructure over any new attack on shipping.
The Close, July 14: IBM lost a quarter of its value, and SK Hynix's Nasdaq stock jumped 27%
IBM lost about a quarter of its value in a single session after a weak preliminary report, and the damage spread across enterprise software. SK Hynix's brand-new Nasdaq stock went the other way, jumping 27% on a day chips broadly rallied.
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.
AAOI cracks its floor: why photonics is getting routed today, and why the AI optics story holds
AAOI is down 14% into the $140s and the whole optical complex is bleeding. A deep dive into the sector rout, the broken chart, and why the long-term AI photonics thesis is still intact.