The bull market in stocks is a year old now. Here's what history says happens next.

• The bull market in stocks turned one year old on Thursday, and a lot has happened in that time.
• The S&P 500 is up 22% over the past year, making it one of the weakest first years of a new bull market ever.
• Here's what market history suggests could happen next, according to Carson Group's Ryan Detrick.

The bull market in the S&P 500 officially turned one-year old today.