ASML Holding NV shares are falling as the U.S. pressures the Netherlands to expand equipment export bans to China. The proposed MATCH Act would extend current controls to include older deep ultraviolet (DUV) lithography machines.

This expansion targets a significant revenue source for the Dutch semiconductor equipment maker. While political disputes in Washington may temporarily delay the legislation, the potential for stricter regulations creates ongoing market uncertainty.

These geopolitical tensions currently overshadow positive industry indicators. Recent reports highlighted strong capital expenditure signals from key ASML partners, including TSMC.