Sweetgreen shares dropped more than 25% on Friday after the salad chain cut its 2025 outlook for the second quarter in a row, citing issues with its loyalty program, weak consumer sentiment, tariff headwinds and store challenges.For the full-year 2025, Sweetgreen now expects revenue of between $700 million and$715 million, down from its May prediction of $740 million to$760 million and its February outlook of $760 million to$780 million.It also projects negative same-store sales for the full year, estima ...