6/8/2026
The Russell Reconstitution Enters Lock-Down Today. Here Is What Happens Next and Why It Matters
If you have been following the small and microcap market closely over the past several weeks, today marks a significant checkpoint. Monday June 8 is the official “lock-down” date in the 2026 Russell US Indexes reconstitution schedule — the point at which preliminary membership changes are considered final and the market begins positioning in earnest for one of the highest trading volume events of the entire year.
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