Rubin 100 · 1-month sector leaders — MEMORY +63.87% / GASCHEM +3.14%
Through May 28, 2026: Memory (HBM & NAND) leads the last 21 trading days at +63.87%, Gases, Chemicals & Consumables trails at +3.14%.
Rubin 100 sector-mean 1-month (21 trading day) returns as of May 28, 2026.
Top sectors: MEMORY +63.87% · SUBSTRATE +40.53% · MATERIALS +32.54%.
Weakest sectors: GASCHEM +3.14% · GRID +6.67% · LITHO +9.21%.
The 1-month view smooths single-session noise — use it for regime-persistent rotation reads vs. the daily sector-flow signal.
→ closelook.net/indices/rubin/