US stocks are pricier than ever before by some measures, raising fears that the market could be headed for a crash.

By John Power

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The US stock market has been having a stellar run – so much so that many investors fear it is overpriced.

Since early 2023, the benchmark S&P 500 has risen more than 60 percent, hitting all-time highs despite headwinds ranging from US President Donald Trump’s tariffs to concerns that artificial intelligence (AI) may be overhyped.