鲍威尔公开警告美股股指“相当高”，三大指标力挺

Core Viewpoint - Federal Reserve Chairman Jerome Powell stated that the stock market is "fairly valued," which has caused significant reactions in the stock market [2] - Concerns about the sustainability of AI trading have also been attributed to the market's weakness [2] Valuation Metrics - The CAPE ratio, designed by economist Robert Shiller, has been rising since the bull market began, reaching just below 38 at the end of August, a level not seen since the end of 2021 [4] - The CAPE ratio is calculated by dividing the S&P 500 index level by the inflation-adjusted average earnings of its constituent companies over the past ten years [4] - The S&P 500's CAPE ratio has reportedly surpassed 40 for the first time since 2000, indicating a potential market peak [4] Buffett Indicator - The "Buffett Indicator," which compares the total market value of U.S. stocks to the GDP, shows that the stock market's total value was approximately $64.5 trillion as of June, while the GDP was $23.7 trillion, resulting in a valuation of about 2.7 times GDP, the highest since March 2001 [7][8] - Analysts view this indicator as a useful measure of stock valuation, as it reflects the relationship between asset prices and economic activity [7][8] Price-to-Sales Ratio - The price-to-sales ratio for the S&P 500 reached 3.12 at the end of August, the highest level since January 2000, indicating that the index is more expensive relative to its expected sales [11] - Some analysts consider the price-to-sales ratio a more realistic measure of stock market valuation compared to net income figures, which can be manipulated [11] New Normal - Recent earnings expectations have been rising rapidly, suggesting that corporate profits may reach new historical highs in Q3, which could lead investors to accept higher valuations [14] - Analysts suggest that high valuations may represent a "new normal," as the largest U.S. companies today differ significantly from those in the 1980s and 1990s, with lower debt-to-equity ratios and reduced volatility in earnings [14]