ASML's second sales guidance upgrade of 2025 hit the market Wednesday, and shares fell. The company raised its forecast again, citing customers' sustained push to expand AI chip production capacity. Two upward revisions inside a single calendar year carry a specific message: demand visibility has been strong enough, twice, to move ASML's formal numbers.
The guidance raise and what it says
ASML raised its sales forecast for the second time this year, with the stated driver unchanged from the first raise: customers expanding AI chip production capacity. That expansion has generated enough forward visibility to push guidance higher again.
Each revision sets a higher baseline. The second raise narrows the margin for error in the back half of the year. ASML now has a more demanding number to clear.
A single guidance revision is a recalibration. A second one in the same calendar year says the initial recalibration underestimated how long the AI chip investment cycle would run.
Why the stock sold off
Markets sent shares lower on the news. That reaction to a guidance raise points in one of two directions: consensus had priced in a more aggressive upgrade, or investors are discounting execution risk attached to a higher forecast.
ASML's stated case is that AI chip demand remains strong and customers are still ramping capacity. The company offered no shipment-schedule or backlog breakdown that would let an outside observer confirm when revised revenue converts. The raise signals a direction. It does not confirm a destination.
The exposure the raise creates
Back-to-back guidance increases create an elevated run-rate expectation that second-half results must now satisfy. If customer AI chip capacity investment decelerates, ASML faces a potential guidance cut from an elevated baseline. That asymmetry is the risk the headline number does not carry. It is likely what moved the stock Wednesday.