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.