Lantronix Inc LTRX Edges Down 055 Hovers Near Key Support at 688 Klarna Group KLAR Rallies 4 as Uptrend Strengthens Dingdong DDL Edges Higher Testing Resistance Levels Amid Cautious Optimism Jupiter Neurosciences Inc JUNS Extends Slide Key Support Levels Under Pressure Tuniu TOUR Pulls Back Sharply Testing Key Support Levels