美股天价估值持续性遭质疑，日韩股市跟跌

Core Viewpoint - Asian stock markets are experiencing a sell-off, following the decline in U.S. stocks, as investor concerns over high valuations weaken market confidence [1] Group 1: Market Performance - The MSCI Asia-Pacific Index fell by 1% [1] - South Korean stock market led the decline with a drop of over 4% [1] - U.S. and European stock index futures are also continuing to decline [1] Group 2: Investor Sentiment - Chris Weston, head of research at Pepperstone Group, noted that the market is a "sea of red," indicating a widespread downturn [1] - There are few reasons to buy at this moment, especially with Nvidia's earnings report approaching on November 19, leading to a lack of short-term catalysts [1] Group 3: Valuation Concerns - CEOs of major Wall Street firms, including Morgan Stanley and Goldman Sachs, have questioned whether high valuations can be sustained [1] - There are growing fears that the stock market may have become excessively inflated, as it retreats from historical highs [1]