Rubin 100 · 1-month sector leaders — TESTMET +29.72% / THERMAL +0.46%
Through October 6, 2026: Testing & Metrology leads the last 21 trading days at +29.72%, Thermal Management trails at +0.46%.
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Rubin 100 sector-mean 1-month (21 trading day) returns as of October 6, 2026.
Top sectors: TESTMET +29.72% · SUBSTRATE +21.33% · INTERCON +20.27%.
Weakest sectors: THERMAL +0.46% · LITHO +2.41% · GASCHEM +2.74%.
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/