Rubin 100 · Sector flow — MATERIALS +6.27% / FOUNDRY -3.33%
June 1, 2026 close: Advanced Materials led +6.27%, Foundry & Integration trailed -3.33% (mean 1d across sector constituents).
Rubin 100 sector-mean 1-day returns for June 1, 2026.
Top flow: MATERIALS +6.27% · MEMORY +4.44% · SUBSTRATE +2.47%.
Weakest flow: FOUNDRY -3.33% · PACKAGING -3.02% · FABSUB -1.78%.
Ranking covers 16 sectors (min 3 constituents each).
→ closelook.net/indices/rubin/