** Shares of medical diagnostics firm Guardant Health GH.O up 7.5% at $45.25
** GH says the U.S. FDA has granted "breakthrough" tag for its device to detect multiple types of cancer
** The multi-cancer detection (MCD) test uses a blood sample to screen for different cancer types in patients aged 45 or older
** FDA's breakthrough devices program is intended to provide patients and health care providers with timely access to medical devices by speeding up development, assessment, and review, according to its website
** Including session's move, stock up 46.8% YTD
(Reporting by Siddhi Mahatole)
((siddhi.mahatole@thomsonreuters.com))