目前美国金融市场似乎存在一个核心难题。债券市场的担忧已达到白热化程度，将国债收益率推高至至少20年来的最高水平，然而纳斯达克和标普500指数却创下历史新高。这是怎么回事？
There is a conundrum at the heart of US financial markets right now, it seems. Bond market fears are reaching fever pitch, catapulting Treasury yields to their highest levels in at least 20 years, yet the Nasdaq and S&P 500 are hitting record peaks. What gives?