The market’s most explosive first-half winners of 2026 are getting hammered in the second half, and the reversal has been swift and severe.
According to new data from Bespoke Investment Group, the 25 best-performing Russell 1000 stocks in the first half of 2026 — each up at least 150%, for an average gain of 235% — have collectively lost a quarter of their value in fewer than three weeks since July began.