Why Generac Shares Are Trading Higher By Around 35%; Here Are 20 Stocks Moving Premarket - Amazon.com (NA
Generac Holdings Inc. (NYSE:GNRC) shares surged 34.8% to $235.90 in pre-market trading after announcing an $8 billion supply agreement with Amazon.com Inc. (NASDAQ:AMZN) for data center backup generators. Initial deliveries are valued at $2.4 billion for 2027 and 2028.
How this was made

The 30-second read
Why it matters
The contract secures multi‑year revenue for Generac and underscores Amazon's focus on infrastructure resilience.
Market read
Generac's stock surged on the deal; the agreement may set a precedent for similar contracts in the data‑center sector.
What to watch
Potential supply‑chain constraints and competition from other generator manufacturers.
Background
Generac is a leading provider of backup power solutions; Amazon operates a vast network of data centers requiring reliable power.
Ticker impact
Generac announced an $8 billion long‑term supply agreement with Amazon, driving a 34.8% pre‑market jump.
Short‑term upside; potential for further gains if details of delivery schedule are released.
Large contract size, immediate 35% price move, and market perception of a strong partnership with Amazon.
Amazon entered a long‑term agreement to purchase up to $8 billion of backup generators from Generac for its data centers.
Minimal immediate effect; longer‑term benefit if the partnership is highlighted in earnings.
Amazon is a party to the deal but the news is primarily about Generac's revenue upside.
Market effects
Boosts outlook for backup‑power and data‑center infrastructure providers.
Positive for U.S. industrial equipment sector.
Highlights growing demand for resilient data‑center power worldwide.
Counterpoint
If Generac fails to meet delivery timelines, the stock could face a sharp correction.
Key entities
- CompanyGenerac Holdings Inc
Backup power generator manufacturer.
- CompanyAmazon.com Inc
E‑commerce and cloud services giant.

