英伟达市值重回全球第一，CPO概念集体反弹，云计算沪港深ETF（517390）涨超1.4%

Group 1 - AI-related concepts such as CPO and high-speed copper connections experienced a collective rebound on June 4, with the cloud computing ETF (517390) rising over 1.4% and attracting net inflows for two consecutive days [1] - The cloud computing ETF's latest share count reached 288 million, with a year-to-date growth rate of nearly 499% as of June 3 [1] - The computer ETF (159998) rose by 0.93% and has seen continuous net inflows for 12 days, accumulating over 14 million yuan in net inflows [1] Group 2 - Nvidia's market capitalization reached $3.45 trillion, surpassing Microsoft and becoming the world's most valuable company again, following a first-quarter revenue growth of 69% to $44.1 billion [2] - Domestic computing power is expected to maintain high prosperity, driven by policy and industry changes, with the Ministry of Industry and Information Technology releasing a new plan on May 30 [2] - The restructuring of domestic companies like Haiguang and Shuguang is anticipated to accelerate competition among domestic computing power leaders and concentrate market share towards top companies [2]