Methuen (Mass.) Contributory Retirement System is searching for a large-cap domestic core equities manager to run $25 million. The $67 million system is not committed to going ahead with a hiring but "wanted to see what other large-cap managers are out there, said Kevin Leonard of consultant Segal Advisors. Funding would come from a balanced portfolio run by David L. Babson, he said. Deadline for proposals is April 26.