Rubin 100 · Sector flow — POWERSEMI +4.22% / TESTMET -0.96%
April 30, 2026 close: Power Semiconductors led +4.22%, Testing & Metrology trailed -0.96% (mean 1d across sector constituents).
Rubin 100 sector-mean 1-day returns for April 30, 2026.
Top flow: POWERSEMI +4.22% · MEMORY +4.17% · INTERCON +4.13%.
Weakest flow: TESTMET -0.96% · GASCHEM -0.83% · PACKAGING -0.77%.
Ranking covers 16 sectors (min 3 constituents each).
→ closelook.net/indices/rubin/