突然全部大跳水，发生了什么？

Core Viewpoint - The global market experienced a significant sell-off on October 14, with declines across various asset classes including A-shares, gold, and cryptocurrencies, attributed to concerns over trade disputes and political instability in Japan [3][16]. Market Performance - On October 14, the global market faced intense selling pressure, with spot gold dropping over $89 from its peak, currently reported at $4107 per ounce [5]. - The Nikkei 225 index initially rose by approximately 1.5% but later fell nearly 1% [7]. - In the U.S. pre-market, all three major index futures were down [8]. - The cryptocurrency market also saw significant declines, with Bitcoin and Ethereum experiencing sharp drops [10]. - In the A-share market, the ChiNext index fell over 4%, while the Shanghai Composite Index decreased by 0.62% and the Shenzhen Component Index dropped by 2.54% [12]. Market Statistics - A total of 1734 stocks rose, while 3554 stocks fell, indicating a broad market decline [13]. - The trading volume reached 159,007.7 million shares, with a total turnover of 25,965.85 billion [14]. Underlying Causes - The market downturn is likely linked to two major concerns: the potential resurgence of trade disputes and a political "black swan" event in Japan [16][17]. - The announcement by Japan's Komeito party to exit the ruling coalition has created uncertainty regarding the election of a new Prime Minister, which could lead to a shift in political power [18]. - Analysts suggest that the Japanese stock market may remain in a wait-and-see mode until the Prime Minister's election is resolved [19].