Financial analysts are increasingly warning of an impending downturn in the U.S. stock market, with some describing the current market conditions as a bubble. Ruchir Sharma, a prominent financial analyst, highlighted in a recent column that all classic signals indicate that the end of the market rally is near, cautioning against the prevailing euphoria on Wall Street. Stephanie Pomboy echoed this sentiment, predicting a 'spectacular implosion' of the equity markets once the current excitement subsides. Sharma also noted that U.S. exceptionalism is a bubble that could burst due to growing concerns over U.S. government debt by 2025. Various commentators have referred to the situation as 'the mother of all bubbles', suggesting that the eventual collapse will be significant and reminiscent of past market failures. The warnings come amid a climate of heightened investor speculation and optimism, raising concerns about the sustainability of current market valuations.