* Troubled health-care outsourcing and contract-service company Cohr Inc. said it named Raymond E. List chief executive, president and a director, effective immediately. The Chatsworth-based company said Steve Gamble, who was interim chief executive and president, remains a director. List, 54, most recently was managing general partner of Fairfax Partners, an investment and management company. Cohr shares fell 50 cents to close at $5.88 on Nasdaq. The price has plunged from a 52-week high of $22.75.