全球暴跌，A股独涨，这是什么逻辑？

Group 1 - Global markets experienced a significant downturn, with the U.S. market liquidity tightening, as indicated by the surge in the SOFR rate, which rose by 22 basis points to 4.22%, marking the largest increase in a year [2][4] - The spread between SOFR and the federal funds rate increased by 32 basis points, the highest level since March 2020, indicating severe liquidity issues [4] - The U.S. Treasury's cash balance exceeded $1 trillion for the first time in five years, leading to a drop in the Federal Reserve's reserves to $2.85 trillion, the lowest since early 2021 [7][8] Group 2 - The failure of the Senate's funding proposal coincided with the market's accelerated decline, as optimism about a resolution diminished [11] - The A-share market showed resilience, traditionally rebounding after global downturns, with expectations of a low open followed by a recovery [2][15] - The photovoltaic sector led the rebound, supported by underlying trends and a bottoming out, while consumer sectors remained weak [15] Group 3 - The U.S. economy's reliance on the AI industry is a growing concern, with overall economic growth being minimal outside of AI-related spending [16] - Oracle's rising credit default swaps and increasing debt levels highlight the fragility of the current economic situation, with total debt exceeding $100 billion [17] - The potential for an economic downturn similar to the 2000 internet bubble burst is a risk if the AI sector falters, emphasizing the need for vigilance regarding economic dependencies [17]