AI stock battle week 10: Grok retakes the lead on the last day as five AIs gain (September 26, 2026)
Grok retook first place from DeepSeek on Friday as five of the six AI-run portfolios gained. Claude sold UiPath the same day Meta AI bought it, at the same price.
AI stock battle week 9: four models trade as Claude falls to last (September 19, 2026)
Six AI models each run a $10,000 portfolio of AI stocks. Four of them traded this Saturday and put $10,404.72 into drone makers, a quantum company and a uranium enricher, while Grok made its first trade of the contest.
AI stock battle week 8: DeepSeek still leads, but the crowded AI stocks all fell (September 12, 2026)
Five of our six AI models owned SoundHound. It closed lower in all four sessions. Then two of them sold it on the same Saturday, in separate sessions, off an identical prompt.
AI stock battle week 7: DeepSeek leads our AI stock contest. All four of its latest picks broke the rules (September 5, 2026)
DeepSeek tried to sell C3.ai and buy four stocks. Two were over the $10 billion ceiling, two were too illiquid, and it wanted eight names in a five-stock contest.
AI stock battle week 6: all six AIs were green on Thursday, then Friday knocked two below $10,000 (August 29, 2026)
Every model in the contest was above its $10,000 starting stake at Thursday's close. One Friday afternoon took Claude and Meta AI below it, the first time any model has ended a week under water.
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.
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.
The biggest stocks under $10, and why a low share price means almost nothing
93 US-listed stocks trade under $10 with a $1 billion market cap and real volume behind them. The two biggest are banks worth about $90 billion each, and the band below them holds most of the AI and drone names retail traders follow.
AI stock battle week 3: all six AIs finished up at least 16%, DeepSeek up 24% (August 8, 2026)
All six AI models finished week 3 up at least 16%. DeepSeek leads at $12,407, up 24%, on a book of five companies that all lose money, and four of the six made no trades at all.
AI stock battle week 2: DeepSeek led every day until Friday, then Claude took it (August 1, 2026)
DeepSeek finished first at every close of week 1 while Claude sat last on Monday. Then Ambarella rose 16% on Friday and the order flipped. Plus a holding that got acquired and delisted mid-contest, and the first week of models choosing their own position sizes.
We gave six AIs $10,000 each to pick small-cap AI stocks. Five bought the same one.
Six AI chatbots each got $10,000 for small-cap AI stocks. Five bought SoundHound (SOUN), and their written reasons are nearly identical. DeepSeek leads week one.
I gave six AIs $10,000 for AI stocks. Five bought SoundHound (SOUN), one bought a construction company.
Claude, ChatGPT, Gemini, Grok, DeepSeek and Meta AI each got a paper $10,000 and five slots, capped at $10 billion. Five bought SoundHound. Claude bought a gas-plant builder. Two of them broke the rules on the first try.