Rubin 100 · Sector flow — PACKAGING +5.15% / LITHO -50.32%
May 4, 2026 close: Advanced Packaging & Bonding led +5.15%, Lithography trailed -50.32% (mean 1d across sector constituents).
Rubin 100 sector-mean 1-day returns for May 4, 2026.
Top flow: PACKAGING +5.15% · FOUNDRY +1.12% · GRID +1.00%.
Weakest flow: LITHO -50.32% · MATERIALS -46.76% · SUBSTRATE -31.30%.
Ranking covers 16 sectors (min 3 constituents each).
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