Rubin 100 · Sector flow — FOUNDRY +2.74% / S22 -0.24%
September 28, 2026 close: Foundry & Integration led +2.74%, S22 trailed -0.24% (mean 1d across sector constituents).
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Rubin 100 sector-mean 1-day returns for September 28, 2026.
Top flow: FOUNDRY +2.74% · POWERSEMI +2.35% · THERMAL +2.32%.
Weakest flow: S22 -0.24% · MATERIALS +0.18% · LITHO +0.25%.
Ranking covers 22 sectors (min 3 constituents each).
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