Rubin 100 · 1-month sector leaders — TESTMET +18.17% / GASCHEM -1.29%
Through October 1, 2026: Testing & Metrology leads the last 21 trading days at +18.17%, Gases, Chemicals & Consumables trails at -1.29%.
AI-generated — produced automatically by Closelooknet’s systems under this site’s editorial policy.
Rubin 100 sector-mean 1-month (21 trading day) returns as of October 1, 2026.
Top sectors: TESTMET +18.17% · SUBSTRATE +14.76% · ARCHITECTS +13.97%.
Weakest sectors: GASCHEM -1.29% · S22 -0.19% · THERMAL +1.36%.
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/