📝 Executive Summary
The S&P 500 and Nasdaq Composite retreated on Tuesday as investors reacted to Apple's latest product launch. Shares of Apple fell 0.28% despite the debut of its first foldable iPhone and new AI-integrated devices, as concerns over margin pressure and a lofty 36x forward P/E ratio weighed on sentiment. Tech peers Microsoft and Alphabet also faced selling pressure, with Alphabet dropping 2.28% amid intensifying AI competition.