ASML CEO Warns US Tariffs Are Creating Chip Sector Uncertainty

ASML Holding NV reported first-quarter orders that were almost a billion euros less than expected and warned it doesn’t know how to quantify the impact of recent tariff announcements that are threatening to upend the semiconductor industry.

The Dutch company, which counts Taiwan Semiconductor Manufacturing Co. and Intel Corp. among its biggest customers, reported bookings of €3.94 billion ($4.47 billion). Analysts on average expected €4.82 billion, according to data compiled by Bloomberg. ASML said that order intake is a “lumpy” metric and doesn’t appropriately reflect its business momentum.

ASML’s shares fell 5.1% to €574.60 at 11:15 a.m. in Amsterdam on ...