Also

* Mexico’s economy grew 2.3% in the first quarter from the same period last year, helped by an extra week of production. Excluding the impact of a later Easter holiday this year, Latin America’s largest economy probably stagnated, UBS Warburg economist Matias Silvani said.

* U.S. prosecutors have expanded their fraud investigation of HealthSouth’s fired chief executive, Richard Scrushy, to include possible money laundering and racketeering, the FBI said.

* Titan Corp., a San Diego maker of military communications equipment, said it received two subpoenas for billing records of work it did for NASA and the General Services Administration. Titan did not provide details of the cases, disclosed in a regulatory filing.

* Lockheed Martin Corp. said it bought closely held Orincon Corp. International for its signal- and image-processing software used by military and intelligence agencies. Terms weren’t disclosed. The San Diego company has 250 employees. It had sales of $52 million last year.

* Standard & Poor’s lowered the rating one notch to A on about $14 billion in Boeing Co. debt, reflecting weak prospects for the commercial aerospace industry and an increase in the size of Boeing’s pension and retiree medical liabilities.

* Dole Food Co. of Westlake Village was among companies named in a lawsuit by Nicaraguans seeking to enforce $489 million in judgments in a pesticide case.