金十数据|9月 04, 2026 14:27
Bank of America's latest bubble risk indicator shows that while there are indeed localized 'bubble-like' price behaviors in the current U.S. stock market, the extent of their spread remains significantly lower than in the late 1990s. As of August 28, there are approximately 20 stocks in the S&P 500 with a BRI above 0.8, collectively accounting for only about 2.6% of the index's market cap weight. In contrast, during the most extreme phase of the internet bubble, there were once 50–100 S&P component stocks in the high BRI range, corresponding to a market cap weight of approximately 20%–40%.
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