Taunton (Mass.) Contributory Retirement System, with $98 million in assets, picked four finalists in its search for a core domestic enhanced or opportunistic fixed-income manager. They are ARM Capital Advisers, Loomis Sayles, MFS Institutional Advisers and Wellington Management, said Paul J. Slivinski, executive secretary. Funding will come from the current domestic fixed-income allocation. Finalists will be interviewed at the systems Sept. 9 meeting, at which a decision could be made.