Caterpillar just did something it had never done in 101 years of business. The market greeted it with a roughly 25% decline from the stock’s peak. That gap between the operational reality and the price action is where the case begins.

The Business

Most investors still think of Caterpillar as a construction equipment company. That framing is increasingly incomplete. Caterpillar makes the engines and turbines that supply both primary and backup power to data centers, as well as the electrical infrastructure to run them. The company’s Power and Energy segment, not its yellow excavators, is driving the 2026 story.

Caterpillar’s Power & Energy segment has been a key beneficiary of data-center-related demand, including power generation applications, and management has described a record enterprise backlog as a foundation for continued momentum. The backlog grew again in Q2.

Why Wall Street Is Paying Attention

Caterpillar announced second-quarter 2026 results on August 4. CEO Joe Creed called it the first time in company history that Caterpillar has generated over $20 billion in sales and revenues in a single quarter. Sales and revenues for the quarter were $20.5 billion, a 24% increase compared with about $16.6 billion in the second quarter of 2025.

Recent performance highlights strong demand in its Power & Energy segment, with a record backlog of $72 billion. Customers are committing to longer-term orders with some extending well into 2028, per CEO Creed. That visibility is unusual for an industrial manufacturer.

The AI angle is direct. Caterpillar has been investing to expand power-generation capacity to meet what it sees as sustained demand, including from data centers. Hyperscalers are not ordering Caterpillar engines for a single data center expansion. They are locking in capacity for a multiyear build cycle.

What’s Driving the Opportunity

Caterpillar shares opened at $797.72 on September 1, 2026, placing the price about 26% below the $1,073.46 52-week high. That pullback followed a record quarter, raised guidance, and a $72 billion backlog. In reporting Q2 results, Caterpillar raised its 2026 sales-growth outlook to the mid-to-high teens, with CEO Creed pointing to broadening momentum across the business.

Institutional investors have not walked away. Large holders continue to trade in and around Caterpillar stock in 2026, but the specific claim of a 2,515,867-share purchase by a wealth-management firm at “low $800s” could not be verified and has been removed.

Wall Street targets move around, but recent consensus coverage has clustered around the idea that Caterpillar still has upside from here if the power and backlog story holds.

What Could Go Wrong

Tariffs are the most quantifiable headwind. Caterpillar has said it now expects full-year 2026 tariff costs of around $2.2 billion. The company has absorbed those costs so far without meaningful margin collapse, but they represent a real drag on earnings that the backlog alone does not offset.

Regulatory pushback on AI data centers could touch the power thesis, but the bigger concern is valuation. The earlier forward price-to-earnings comparison in this draft was not supportable as written, and it has been removed. Investors are paying up for a company they believe has structurally increased its earnings power. If demand signals soften, that premium can compress quickly.

The Bottom Line

Caterpillar is not the construction cycle stock it was two years ago. It is the company building the power infrastructure that hyperscalers need to run their models, and it just posted the largest quarter in its history to prove the demand is real. The AI-linked opportunity is arriving on top of healthy demand from construction, mining, and infrastructure. A roughly 26% discount from the 52-week high, a record $72 billion backlog, and raised guidance that extends visibility into 2028 make the current price level the most compelling entry point CAT has offered all year.