Moody’s Analytics chief economist Mark Zandi has raised concerns over the long-term sustainability of the artificial intelligence (AI) stock rally, warning that the economic momentum driven by surging tech valuations may not last.In an analysis shared in an X on November 9, Zandi noted that soaring stock prices in AI-related companies have played a pivotal role in fueling U.S. economic growth. He linked much of the recent economic expansion to the “wealth effect,” where increased household wealth from risin ...