AmExce Acq AEXA Climbs 099 Resistance at 1230 in Focus 20260515 Opera OPRA Slides 093 as Selling Pressure Mounts 20260513 Silvers Milestone Moves COT Data Sheds Light on 50 and 100 Levels Roundhill Memory ETF Surges Past 10 Billion in Assets Driven by AI Memory Demand