这一百年指数，或戳破美股“牛市幻境”

Group 1 - The Dow Jones Industrial Average, S&P 500, and Nasdaq indices reached intraday all-time highs on September 22, continuing a bullish trend from the previous week, with the Russell 2000 index also hitting its highest closing level since 2021 [1] - The market's positive reaction followed a 25 basis point interest rate cut by the Federal Reserve, which, although expected, has contributed to investor optimism [1] - The S&P 500 index has risen over 30% since its low in early April, marking 28 new highs this year, driven by better-than-expected corporate earnings, economic resilience, and positive sentiment towards the Fed's rate cuts [1] Group 2 - The Dow Jones Transportation Average (DJTA) has not followed the broader market's upward trend, instead declining this year, raising concerns among market observers about the sustainability of the current market rally [1][2] - Charles Dow's theory suggests that the DJTA should rise alongside the Dow Jones Industrial Average to confirm a broad market rebound, leading to skepticism about the current market conditions [2] - Factors such as tariff fluctuations and a slowing global economy are seen as headwinds for transportation stocks, which could impact the overall market [2]