RHHBY - Roche companion diagnostic test wins CE Mark to identify metastatic breast cancer patients April, 10 2024 05:49 AM Roche Holding Ltd ADR 2024-04-10 05:49:03 ET Roche ( OTCQX:RHHBY ) has obtained CE Mark for its pre-diluted VENTANA HER2 (4B5) Rabbit Monoclonal Primary Antibody RxDx test.... For further details see: Roche companion diagnostic test wins CE Mark to identify metastatic breast cancer patients