Investors Financial Services ( IFIN), a provider of asset administration services for the financial services industry, said Thursday its second-quarter earnings rose 3.2% from the year-ago period. The Boston-based company earned $45.5 million, or 67 cents a share, in the quarter, compared with $44.1 million, or 64 cents a share, a year ago. Second-quarter results include a one-time tax benefit of 8 cents a share from the reversal of previously accrued taxes. Analysts surveyed by Thomson First Call were expecting earnings of $37.5 million, or 56 cents a share in the quarter. Second-quarter revenue rose 21.7% from a year ago to $207.7 million as against analysts' expectation of $193.5 million. The company expects to earn $2.40 a share to $2.45 a share, including tax benefit of 8 cents a share, for the full year, on revenue increase of about 12% to 15%, compared with 2005 revenue. Analysts expect earnings of $2.34 a share on revenue of $785.3 million for the full year. By segment, second-quarter revenue from core services rose 24.4% from a year ago to $112.2 million and revenue from value-added services jumped 66.9% to $53.9 million. Net interest income fell 8.1% to $38.6 million. The company also said that its board declared a quarterly cash dividend of 2.25 cents payable on Aug.15 to stockholders of record July 31.