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AI-driven stock portfolio beats S&P 500 with 48.48% return in under 9 months

Market News
15 Aug 2026
Finbold
View Source
Bullish
AI-driven stock portfolio beats S&P 500 with 48.48% return in under 9 months

An AI-managed stock portfolio by Grok turned $100,000 into $148,485 in less than nine months, outperforming the S&P 500's 14.10% return over the same period. The portfolio's strong gains were driven mainly by heavy investments in Micron Technology, benefiting from the AI infrastructure boom. Despite some volatility, the portfolio maintained most of its gains and showed strong risk-adjusted returns, with a Sharpe ratio of 2.19. This performance highlights AI's potential in stock selection but also shows risk due to concentration in a few stocks.

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