| Symbol | Name | Country | Exchange |
|---|---|---|---|
| AMS | American Shared Hospital Services | US | AMEX |
| ARAY | Accuray Incorporated | US | NASDAQ |
| CCM | Concord Medical Services Holdings Limited ADS | US | NYSE |
| EKTAF | Elekta AB (publ) | US | OTC |
| EKTAY | Elekta AB (publ) | US | OTC |
| USNU | U.S. NeuroSurgical Holdings, Inc | US | OTC |
| EKTA-B | Elekta AB (publ) | SE | ST |
| 300143 | INKON Life Technology Co Ltd | CN | SHE |