Investors buying stocks tied to AI data-center builds have driven ASML up about 60% YTD. On Wednesday ASML rose as much as 2.3% to a market capitalization near $674 billion, overtaking Novo Nordisk's June 2024 record to become the largest company by market value in European history. ASML is the Stoxx 50's second-best performer YTD, though a number of semiconductor peers have outperformed, roughly doubling in price.

2026-06-03

Investors buying stocks tied to AI data-center builds have driven ASML up about 60% YTD. On Wednesday ASML rose as much as 2.3% to a market capitalization near $674 billion, overtaking Novo Nordisk's June 2024 record to become the largest company by market value in European history. ASML is the Stoxx 50's second-best performer YTD, though a number of semiconductor peers have outperformed, roughly doubling in price.