海外云厂商资本开支高增，资金抢筹布局光模块，2025年ETF“涨幅王”通信ETF（515880）近20日资金净流入超32亿元

Group 1 - Alphabet's annual revenue for FY25 surpassed $400 billion for the first time [1] - Amazon's net sales for FY25 increased by 12% year-on-year, reaching $716.9 billion [1] - Both companies announced significant capital expenditure plans for FY26, with Alphabet expecting between $175 billion and $185 billion, and Amazon around $200 billion [1] Group 2 - The global investment and infrastructure development in the artificial intelligence sector is increasing, contributing to strong performance from leading cloud companies like Google and Amazon [1] - The ongoing rise in capital expenditure from these companies suggests a sustained high demand in the global AI industry chain [1]