Rubin 100 · 1-month sector leaders — MEMORY +59.43% / LITHO +2.13%
Through April 28, 2026: Memory (HBM & NAND) leads the last 21 trading days at +59.43%, Lithography trails at +2.13%.
Rubin 100 sector-mean 1-month (21 trading day) returns as of April 28, 2026.
Top sectors: MEMORY +59.43% · SUBSTRATE +49.02% · POWERSEMI +44.90%.
Weakest sectors: LITHO +2.13% · GASCHEM +5.39% · THERMAL +17.63%.
The 1-month view smooths single-session noise — use it for regime-persistent rotation reads vs. the daily sector-flow signal.
→ closelook.net/indices/rubin/