Late 1999 saw similar volatility expansion with fading volume before the dot com peak rolled over.
The erratic movements the S&P 500 is displaying right now are deeply worrisome.
When wild, erratic price action appears during extremely elevated valuations exactly as we witnessed in the final stages of the dot-com bubble it has historically been a clear warning that severe… pic.twitter.com/okd0VJNjiD
— The Great Martis (@great_martis) April 21, 2026
The Nasdaq closed red today ending its 30 year high win streak. However, the semiconductor index ($SOX) was up again today for day 14. On a % basis this continues to be the largest melt-up ATH since March 2000.
Here is where it gets interesting:
This is the third time in three… pic.twitter.com/U1Ob8UJ4nm— Mac10 (@SuburbanDrone) April 20, 2026
S&P 500 is in the most overbought state since July 2024 pic.twitter.com/16R4FxMEj3
— Data Driven Stocks (@stockdatamarket) April 21, 2026