Rubin 100 · Sector rotation — S20 → TESTMET
Rubin sector rotation: S20 → TESTMET leads at 11.55%.
AI-generated — produced automatically by Closelook’s systems under this site’s editorial policy.
Rubin 100 constituent 5-day return ranking shows a rank-1 sector flip on September 10, 2026: Testing & Metrology (TESTMET) moved to the top at 11.55%, displacing S20 (S20), which printed 12.78% when last leading and now sits at rank 4.
Top-3 by mean 5-day return: 1. Testing & Metrology 11.55% · 2. S24 11.21% · 3. Memory (HBM & NAND) 10.92%. Highest constituent in the new leader: COHU at 28.35%.
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