Plum Acquisition Corp IV Unit PLMKU Holds Steady at 1088 Amid Low Volatility Ocugen Inc OCGN Slips 213 as Stock Tests Key Support Zone Gladstone Commercial Preferred Stock GOODN Shows Modest Gain Amid Steady Demand InspireMD NSPR Gains 6 to 095 as Stock Approaches Critical 100 Resistance Union Pacific UNP Slips 112 as Rail Sector Faces Headwinds Cohu Inc COHU Declines 329 as Semiconductor Equipment Stock Tests Key Support Plexus Corp PLXS Holds Near Resistance as Modest Gains Signal Caution