Europe's STOXX 600 on track for biggest quarterly gain in over five years on AI boost

The pan-European STOXX 600 index gained 0.6% to 639.77 points, on track for a 9.7% quarterly rise, its strongest since October 2020 and a third consecutive monthly advance. Technology stocks surged 1.7%, set for their best quarterly gain since October 2001, driven by robust AI infrastructure demand. ASML rose 3.33%, STMicroelectronics 3%, Infineon 2.7%, and Siemens Energy added 5% after reaffirming strong AI equipment demand trends.