Watergate Salad

1 can  (20 oz.) Crushed Pineapple in juice, undrained

1 pkg. Pistachio Instant Pudding

1 small pkg. Miniature Marshmallows

½ cup  Chopped Pecans

1 8 oz. package Cool Whip Whipped Topping, thawed

Place all ingredients in a large mixing bowl and fold until well combined.  Chill.