CLGN ▼ -11.8% - CollPlant Biotechnologies Ltd. $CLGN - COLLPLANT COMPLETES ACQUISITION OF LIGHTSOLVER, ENTERING THE PHOTONIC COMPUTING SECTOR CollPlant Biotechnologies fell 11.8% today following its announcement of acquiring LightSolver and entering the photonic computing sector. The market's negative reaction to the acquisition suggests investor concern about the company's pivot away from its core biotechnology business or questions about the strategic rationale for the deal. 03-SEP-2026 08:02 AM ET