Key Takeaways Sweetgreen beat revenue estimates and raised its outlook as new restaurants and a boost in menu prices drove up sales. Same-store sales and restaurant-level profit margin also rose. The news sent shares soaring to their highest level in more than two years. Shares of Sweetgreen (SG) skyrocketed over 40% in early trading Friday after the salad restaurant chain posted better-than-expected sales and boosted its guidance as it expanded operations and raised prices. The company reported first-quart ...