Taken from CNBC’s Daily Open, our international markets newsletter — Subscribe today The euphoria around artificial intelligence is colliding with the limits of reality, and cracks are emerging. Last night, tech giants like AMD smashed expectations on AI chip demand, and Palantir reported another quarter of strong growth. Yet the Nasdaq fell, revealing Wall Street's playlist is stuck on one track: AI mania. Palantir — the poster child of that obsession — plunged nearly 8% despite its blowout