News Summary: Express Scripts profit grows 39 pct.

News Summary: Express Scripts acquisition of Medco boosts revenue in 1st quarter

WASHINGTON (AP) -- THE RESULTS: Express Scripts said its first-quarter earnings jumped 39 percent as the company continued to book millions of new prescriptions following last year's acquisition of Medco.

OUTLOOK BOOST: Company executives raised the company's full-year earnings outlook by 3 cents to a range of $4.23 to $4.33 per share.

MERGER RX: The number of prescriptions Express handled more than doubled to almost 390 million, following the company's acquisition of Medco last April.