Goldman Sachs strategist Peter Oppenheimer noted that the price-to-earnings (P/E) ratios of the five largest US stocks (Nvidia, Apple, Alphabet, Microsoft, and Amazon) are now only marginally above those of the other 495 stocks in the S&P 500. This convergence suggests investors are rethinking tech stock valuations, driven by anxiety over future returns from AI capital expenditures, a shift in performance leadership from software to hardware, and reduced appetite for growth stocks due to higher Treasury yields and elevated interest rate expectations.