** Shares of Cleo Diagnostics COV.AX rise as much as 17.7% to A$0.400, their highest level since May 5
** Stock set for its best day since April 14, if trends sustain
** The cancer diagnostics tests provider receives approval from U.S. National Cancer Institute to access blood samples from the Prostate, Lung, Colorectal and Ovarian Cancer (PLCO) Screening Trial
** Around 209,750 shares change hands, busiest day since May 19
** Stock up 4.2%, YTD
(Reporting by Keshav Singh Chundawat in Bengaluru)
((Keshav.SinghChundawat@thomsonreuters.com))