Reason: MU, STX and WDC all cooled off their prior-cycle peaks - MU's 1-year change fell to +547.71% (was +718.44%) and its cushion above its 200-day thinned to +56.8% (was +67.6%); STX to +321.81% (was +361.62%); WDC to +365.09% (was +416.59%) - still the desk's deepest structural repricings, just off the extreme. SIMO is the exception and the cycle's standout: 1-year change extended to +219.35% (was +215.65%), 7D +11.03% (up from +4.23%), 30D +17.89% (up from +4.09%), today's biggest mover in the basket at +7.25%.

Price/RSI Table

What Changed Since 2026-09-04

• MU cooled off its prior-cycle peak: 1-year change +547.71% (was +718.44%), alpha +531.49 (was +699.79), cushion above its 200-day thinned to +56.8% (was +67.6%) - still the year's most extreme repricing, just off the top.
• STX and WDC cooled similarly: STX 1-year change +321.81% (was +361.62%); WDC +365.09% (was +416.59%) - both remain deep pullbacks in intact secular uptrends, well above their 200-day (37% and 17.9% respectively).
• SIMO is the cycle's standout, extending on every window: 1-year change +219.35% (was +215.65%), 7D +11.03% (was +4.23%), 30D +17.89% (was +4.09%) - today's biggest one-day mover in the basket at +7.25%.
• No ticker-specific news receipt fetched on or after 2026-09-10 was found to explain this cycle's individual moves (checked MU, SIMO, STX, WDC news files - STX and WDC receipts are stale, fetched 2026-07-31 and 2026-08-08 respectively); cause unknown beyond the tape itself.

Sources

• Tape data (price/RSI/SMA/returns/1-year change/1-year alpha): pre-computed summaries as of the 2026-09-11 close — memory (Schwab).
• Prior-cycle comparison: 2026-09-04-memory.