The sustainability of the stock's immediate price movement based on the recently-released numbers and future earnings expectations will mostly depend on management's commentary on the earnings call. SEI shares have added about 30.6% since the beginning of the year versus the S&P 500's gain of 12.7%. What's Next for SEI? While SEI has outperformed the market so far this year, the question that comes to investors' minds is: what's next for the stock? There are no easy answers to this key question, but one rel ...