AI Model Driving Top-Ranked Fund Flashes a Warning on AI Stocks

The model uses decision tree analysis in which supervised learning algorithm dissects historic data to predict future stock performance. 

Photographer: Thomas Samson/AFP/Getty Images
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For years now, way before artificial intelligence became the hot new thing on Wall Street, Daniel Mahr has been making money on stocks, courtesy of his machine-learning model.

These days, that AI-powered model is blaring relentless warnings against loading up on companies that lie at the very center of the AI boom.