Nicholas Colas, Columnist

Bull Market in Stocks Has Reached an Inflection Point

How quickly investors adapt to new paradigms will determine where asset prices go for the rest of the year.

Stocks have entered a new paradigm.

Photographer: Michael Nagle/Getty Images

There is much more to the first-quarter drop in the S&P 500 Index than its modest 1.22 percent decline suggests. Everything from changing narratives in technology stocks to higher asset price correlations reveals a watershed moment for a bull market that has been underway since 2009. That was on display Monday, with the benchmark posting its worst April start since 1929.

Below is a list of what the first quarter taught us about current market dynamics, and how they may inform investor psychology going forward.