Tagged semiconductor stocks · show all articles
After a roughly 130% twelve-month rally, the Philadelphia Semiconductor Index dropped sharply in early July 2026. This briefing looks at what actually happened, rather than repeating "markets were volatile."
Three different tickers, three different tracking methods, three different pictures of "the semiconductor sector" in 2026. This briefing explains what each one actually measures before quoting any of their numbers.
Semiconductor stocks are more concentrated in the S&P 500 than tech was at the dot-com peak, and also backed by real demand this cohort has documented elsewhere. This briefing weighs both without picking a side.
Semiconductors have grown from 2% to 18% of S&P 500 weight — more than double the dot-com peak. A portfolio that never touches a chip stock by name is still more exposed to this one industry than most investors realize.