Just a day after the S&P 500 closed above 2000 for the first time, Abigail Doolittle, founder of Peak Theories Research, told CNBC that the Federal Reserve's reluctance to raise interest rates lows could lay the grounds for a crash.
The S&P 500 is arguably the most important stock market index on the planet. It represents the free-float value of 500 major corporations primarily domiciled in the US and gives investors an idea of the overall movement in the US equity market.
Price-earnings ratios among the 50 largest companies in the S&P 500 deviate from the mean by an average of about 22 percent, nearly the narrowest on record, according to data since 1990 compiled by Bloomberg.
The S&P 500 (SPX) rose 1.2 percent last week as signs of a slowing economy stoked bets central banks will leave interest rates near record lows for longer, overshadowing escalating tensions in Ukraine.