Top 10 firms hold nearly 38 % of S&P 500 value, valuations exceed dot‑com peak on mega‑caps
Bank of America just dropped a massive warning that U.S. growth stocks hover in a bubble bigger than the dot‑com crash. A recent note shows about 37 % of the S&P 500 is tied up in ten firms alone, near the highest level ever recorded and edging into record territory. The average P/E for those top names clocks …
