Has Stock Market Exuberance Become Irrational?

Published on July 1, 2026

A strong quarter across major indexes. The second quarter is winding down and what a quarter it has been with the S&P 500 up 12.6% quarter to date, while the Nasdaq-100 and Russell 2000 are both up over 20%. Despite some twists and turns, the path of least resistance for stocks broadly remained up and to the right for much of the last three months.