Sweetgreen reported quarterly sales that missed Wall Street expectations but narrowed its losses compared to the same period the previous year. The second-quarter net loss for Sweetgreen was $27.3 million, or 24 cents per share, an improvement from the net loss of $40.5 million, or 37 cents per share, in the same quarter the previous year. Sweetgreen's CEO, Jonathan Neman, attributed the improved restaurant-level margins to labor savings resulting from reduced turnover and more efficient store staffing. The salad chain spent less on ingredients, thanks to a disciplined approach to its supply chain procurement. The company's net sales rose by 22% to $152.5 million, primarily driven by adding new restaurants.