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Discover — AMPX +22.32% + 4 more (4:30 PM ET)
By SNF Research · Independent market intelligence from Sunday Night Futures LLC
AMPX surges +22.32% in after-hours trading, hitting $20.85 off a $17.16 close.
AMPX printed $20.85 in after-hours action, a $3.69 move on $25.2M in dollar-volume — a notable flag for a name not on our watchlist. We have no internal context on the catalyst. Watch whether this level holds into Friday's open or fades back toward the prior close.
Other names crossing threshold this cycle:
- ▸ONDS +18.52% — $13.25 after-hours vs. $10.80 close; heaviest dollar-volume of the cycle at $243.6M, making it the most actively traded mover here.
- ▸DELL +17.39% — $317.05 vs. $305.32 close; $16.3M dollar-volume on a large-cap name is a relatively thin move in notional terms.
- ▸SIDU -15.20% — $5.18 vs. $6.08 close; $51.9M dollar-volume on a low-priced name signals elevated activity on the downside.
- ▸S -14.60% — $18.02 vs. $17.95 close; the percentage move is outsized relative to the $0.07 price difference — verify data before acting.