Why GNRC rose 20.1% on Sep 16 2026: amazon supply agreement
GNRC+20.1%on Wed Sep 16 2026
GENERAC HOLDINGS INC was up 20.1% on the day at $210.13, ranked #2 on 44.4× its usual five-minute volume, when TapeRank recorded this spike at 16:29 ET during after hours.
WHAT THE ROW LOOKED LIKE
LAST210.13
DAY▲ 20.1%
5 MIN▲ 19.14%
5M RVOL44.4×
5M $VOL$4.9M
FLOAT*59.0M
RANK#2
SESSIONAFTER-HOURS
* FLOAT IS SHARES OUTSTANDING; TRUE FREE FLOAT IS NOT AVAILABLE
AI VERDICT
JUSTIFIEDCONFIDENCE5/5
GNRC rose 10.6% on the day and accelerated 9.75% in five minutes after announcing a long-term Amazon supply agreement with expected initial deliveries totaling $2.4 billion in 2027 and 2028. The warrant creates potential dilution, but the disclosed customer commitment and revenue scale provide a concrete fundamental basis for the move.
WHYA 10.6% move, including a sharp late-session acceleration, is substantial but broadly proportionate to a multibillion-dollar Amazon contract, while the warrant adds dilution risk.
ANALYZED 16:26 ET · 3 MIN AGO · OPENAI/GPT-5.6-LUNA
FILINGS · 24H BEFORE THE MOVE
SESSION LEVELS AT CAPTURE
VWAP176.85
HOD209.31
LOD173.25
OR HIGH—
OR LOW—
PREV CLOSE175.03
PM HIGH—
PM LOW—
GAP▲ 1.22%
— MEANS THE LEVEL DID NOT EXIST YET AT THAT INSTANT, NOT ZERO