Philadelphia Semiconductor Index Falls 7% Intraday

The selloff is broad-based rather than concentrated in one segment, with Intel and AMD posting the steepest declines and even defensive names like Qualcomm and Broadcom down sharply. That pattern suggests a sector-wide de-risking rather than a reaction to company-specific news, which matters for anyone tracking semiconductor exposure across foundry, memory and design. Whether the index stabilizes or extends the move is the open question, particularly given the absence of an identified catalyst in the report.