Five Stocks’ Short Interest Jumps Up to 629%

Several unrelated stocks reported sharp increases in short interest between September 30 and October 15. Perimeter Medical Imaging AI had the largest percentage rise, up 628.8%, while Arcadia Biosciences’ short interest increased 286.3%, reaching 14.9% of its shares. Regentis Biomaterials rose 223.8%, PIMCO Income Strategy Fund climbed 139.3%, and Bumrungrad Hospital Public increased 118.3%. These figures reflect reported short positions, but the articles provide no common catalyst linking the moves.