Record S&P 500 Levels Mask a PE Contraction Driven by Transient Profit Tailwinds
The S&P 500 recently hit a record high while its forward price-to-earnings (PE) ratio has declined over the past six months. The apparent reduction in valuation rests largely on outsized earnings upgrades concentrated in technology - especially AI-linked data-center suppliers - and energy firms benefiting from conflict-related price movements. Anal…