QuantMyStocks Blog

Educational momentum market commentary — weekly recaps and notable moves across the S&P 500, 400, 600 and NASDAQ-100. Not investment advice.

TTMI
-15.7%
MXL
+12.5%
VSH
-12.4%
Weekly movers

Momentum Leaders Sold Off Hard Into Quarter-End

★ PinnedJun 30, 2026

Storage and memory names held the top momentum ranks across large caps, but every single leader closed the week in the red.

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PENG
+27.5%
STX
+11.0%
DELL
+10.3%
Weekly movers

Storage stocks dominate momentum boards for week of July 12

Jul 14, 2026

STX, SNDK, and WDC swept the top of both the NDX and S&P 500 momentum tables, with PENG exploding 27% in small caps.

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WDC
+41.0%
STX
+23.3%
AMKR
+18.8%
Weekly movers

Weekly Momentum Recap: Storage & Chip Stocks Dominate — 21 Jun 2026

Jun 22, 2026

AI-driven memory and semiconductor names swept momentum rankings this week across large- and small-cap US indices.

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