CONCLUDED Stock Market News From Oct. 22, 2025: Nasdaq Slides on Tech Fears "Overall today's price action and pain is concentrated in the most speculative areas of the market. ie.. names that have surged since April are taking it on the chin the most," Mizuho's Daniel O'Regan tells Barron's. "The AI trade is getting hit on renewed fears of an AI slowdown. Many bears are vocal that we need to start seeing real ROI on the tens (hundreds?) of billions of dollars spent on AI infrastructure. Long term bulls and ...