Rubin 100 · Sector rotation — TESTMET → S21
Rubin sector rotation: TESTMET → S21 leads at 1.98%.
Rubin 100 constituent 5-day return ranking shows a rank-1 sector flip on July 23, 2026: S21 (S21) moved to the top at 1.98%, displacing Testing & Metrology (TESTMET), which printed 0.17% when last leading and now sits at rank 14.
Top-3 by mean 5-day return: 1. S21 1.98% · 2. Architects (Chip Design) 1.91% · 3. High-Speed Interconnects 0.64%. Highest constituent in the new leader: STRL at 7.55%.
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