The fast-casual salad chain is still expanding at a healthy rate. Sweetgreen (SG 7.39%) has taken its investors on a wild ride since its IPO on Nov. 18, 2021. The fast-casual restaurant chain went public at 28,anditstartedtradingat52 before closing at a record high of 53thefollowingday.Atthetime,themarketwasdazzledbyitsrapidgrowth.Thebuyingfrenzyingrowthstocksamplifiedthosegains.ButbyMarch27,2023,Sweetgreen′sstockhadsunktoitsall−timelowof6.31. The bulls retrea ...