1. Bring stock and 1/8 teaspoon salt to a boil in a small saucepan. Stir in couscous. Remove pan from heat; cover and let stand 5 minutes. Stir in parsley and almonds.
2. Combine 1/8 teaspoon salt, apricot preserves, vinegar, and rosemary in a 2-cup glass measure. Microwave at HIGH for 2 minutes, stirring after 1 minute.
3. Heat a grill pan over medium-high heat. Coat pan with cooking spray. Sprinkle chicken with remaining 1/4 teaspoon salt and pepper. Add chicken to pan; grill 3 minutes on each side or until almost done. Brush chicken with half of apricot mixture. Grill chicken 1 minute on each side or until done; brush with remaining half of apricot mixture. Serve with couscous.