Renewed concerns about AI spending weighed on tech names. In Asia, SK Hynix closed down nearly 15% and Samsung Electronics fell 13%. In Europe, Netherlands semiconductor-equipment maker ASML dropped 1.9% and smaller rival ASM International fell 2.9%; Infineon lost 2.3% and STMicroelectronics fell 1.7%. Nasdaq-100 futures were down 0.9%, signaling a weaker U.S. tech open.(金十数据)