美联储货币政策报告：股票、企业债券和市政债券市场的流动性也出现了实质性恶化。

Group 1 - The core viewpoint of the article highlights a significant deterioration in the liquidity of stock, corporate bond, and municipal bond markets [1] Group 2 - The Federal Reserve's monetary policy report indicates that liquidity issues are affecting multiple financial markets, which could have broader implications for investment strategies [1]