US Stocks Retreat as Inflation Data and AI Sustainability Concerns Weigh on Markets

US stock markets faced a significant sell-off this week as investors reacted to hotter-than-expected inflation data. The persistent inflationary pressure has raised concerns that the Federal Reserve may maintain elevated interest rates for a longer period than previously anticipated. Simultaneously, growing uncertainty regarding the sustainability of the AI-driven rally triggered anxiety among Wall Street investors. According to analysts at the Barron's Roundtable, high valuations in AI-related stocks have made the broader market increasingly sensitive to negative catalysts. This combination of macroeconomic pressure and sector-specific exhaustion is currently weighing heavily on major indices like the SPY and QQQ. Market sentiment remains fragile as participants weigh the impact of monetary policy against the long-term growth potential of emerging technologies.