* Lockheed Martin Corp. said a federal court dismissed a class-action suit claiming that the company and some of its officers misrepresented its financial condition in 1999.

* Generic-drug maker Apotex Inc. dropped a lawsuit accusing Allergan Inc. of illegally blocking competition to its Acular eye treatment.

* Mentor Corp., which has applied for approval to market silicone breast implants, said the Food and Drug Administration’s new guidelines to potential makers of the implants would require it to retrieve more information.