Sweet and Sour Shrimp and Noodle Stir Fry

Name: Sweet and Sour Shrimp-and-Noodle Stir-Fry
Ingredients: 10 ounces lo mein noodles; 3 tablespoons low-sodium soy sauce; 3/4 cup canned pineapple chunks, plus 3 tablespoons juice from the can; 2 tablespoons rice vinegar; 3 to 4 teaspoons sambal oelek (or other chili paste); 1 1/2 teaspoons packed dark brown sugar; 2 tablespoons vegetable oil; 12 ounces medium shrimp, peeled and deveined; 1 1-inch piece fresh ginger, peeled and julienned; 1/2 large red bell pepper, thinly sliced; 2 stalks celery, thinly sliced; 2 scallions, thinly sliced, dark green parts separated