突然，全线爆发！

Core Insights - The competition for computing power among global giants is rapidly impacting the global supply chain [1] - The recent surge in AI-related stocks and ETFs indicates a strong market sentiment towards AI technologies [2][3][5] - Analysts highlight that the capital expenditure in the AI sector is consistently exceeding expectations, suggesting a bullish outlook for the industry [4] AI Market Dynamics - Several AI-related ETFs have shown significant gains, with the Artificial Intelligence ETF (159819) rising by 3.67% and a total increase of 5.88% over the past two days [3] - The AI-themed ETF (159819) has attracted a net inflow of 8.034 billion yuan this year, reaching a total size of 22.919 billion yuan, making it the largest in its category [5] - The Sci-Tech AI ETF (588730) has also seen a net inflow of 1.175 billion yuan this year, focusing on key players in the AI chip and application sectors [5] Competitive Landscape - Nvidia's market position is under severe threat as Google is reportedly negotiating with Meta to utilize Google's TPU computing power, potentially worth billions [16] - Nvidia's stock has experienced significant volatility, with a drop of over 7%, leading to a market cap loss of approximately 1 trillion USD [10][12] - The competition between Nvidia and Google is characterized as a struggle for "computing power hegemony," with market sentiment shifting rapidly [18][30] Economic Implications - Major tech companies are projected to spend 344 billion USD on capital expenditures this year, which constitutes about 1.1% of the US GDP [28] - Analysts warn that a downturn in AI tech stocks could have broader implications for the US economy, potentially dragging GDP down by 1-1.5% within a year [28][29] - The current market sentiment is divided, with some viewing the AI boom as a revolutionary leap, while others see it as a bubble nearing its peak [30][32]