Intel (INTC) fell -6.28% in today's session, closing at $115.27, down from the prior close of $123.00. The decline was triggered by more than a single catalyst. Multiple headwinds converged. The setup: how far it rallied first As recently as September 3, Intel traded at $89. In three weeks, it surged to $123—a gain exceeding 30%. Such sharp short-term rallies are uncommon in semiconductors. Today's decline cannot be separated from that rally. The sharp gain drew waves of profit-taking. A classic pattern: strong rebound followed by pullback . The headline: Apple's move The most concrete catalyst for today's decline came from Apple. The company updated its Mac App Store guidelines, allowing developers to drop Intel-based Mac support for apps that require macOS 13 or later. The immediate revenue impact is not material. Apple has already shifted to its proprietary M-series chips over the past several years. Still, symbolism matters. The market read this ...