Financial services firm SEI Investments ( SEIC) reported a 26% rise in first-quarter profits, aided by strong performance in its enterprises unit. The Oaks, Pa.-based company said first-quarter earnings were $54.9 million, or 54 cents a share, up from $43.7 million, or 42 cents a share, a year ago. The results beat analysts' forecast of 48 cents a share, according to Thomson First Call. Revenue in the quarter climbed 49% from a year earlier to $277.1 million. Analysts expected revenue of $204.7 million. Revenue at the company's enterprises unit grew 29% to $38.5 million and its operating profit rose 49% to $14.1 million. The strong growth in the segment was led by new business and market appreciation in assets under management, SEI said. The company's stock recently changed hands at $44.16, up $2.19, or 5.2%.