📝 Executive Summary
The S&P 500's record win streak faces sudden jeopardy as a brutal selloff in technology stocks, notably AI-related names, erased recent gains. The Nasdaq 100 tumbled, leading the market lower as investors fled high-valuation growth shares. The decline threatens to snap the index's longest run of consecutive daily gains in decades, sparking a risk-off shift and a surge in volatility. Analysts warn that if the rout continues, the market could tip into a broader correction, ending a period of concentrated euphoria in AI plays.