Four more companies secured their place on the stock ticker in a record-breaking year before 2020 comes to a close.  

San Francisco-based Unity Biotechnology launched a restructuring program to focus on cellular senescence in ophthalmology and neurology.

Roche

The U.S. Food and Drug Administration approved Roche’s Enspryng for the central nervous system disorder neuromyelitis optica, putting the Swiss drugmaker head-to-head with Alexion’s Soliris in a costly treatment area.