Data processing firm DST Systems ( DST) said its second-quarter earnings fell 67.4% from the year-ago period. The Kansas City firm earned $55.5 million, or 76 cents a share, compared with $170.3 million, or $2.11 a share, a year ago. Earnings adjusted for items were $51.6 million, or 70 cents a share, compared with $52.2 million, or 65 cents a share, a year ago. Analysts were estimating 70 cents a share on that basis, according to Thomson First Call. Second-quarter revenues fell 14.9% to $570.5 million from a year ago. Analysts were estimating revenues of $381.98 million in the most recent quarter. Excluding the impact of businesses sold or merged, revenues increased 7.5%. By segment, revenue from financial services was down 29.3% to $260.6 million. From output solutions for the most recent quarter, revenue was up 13.4% to $307.4 millio. During the quarter, the company repurchased about 364,200 shares for $21.9 million or about $60 a share, and about 2.4 million shares remained under the existing share repurchase authorization as on June 30, 2006.