
ASX-listed shares of medical device-maker ResMed RMD.AX fall as much as 7.3% to A$36.02, their lowest level since April 24
Stock of co, which is involved in treating sleep apnea, COPD and other chronic diseases, marks biggest intraday pct loss since March 12
RMD is the top pct loser on the ASX 200 benchmark
Rival Apnimed, which is unlisted, announced positive topline results in first phase 3 clinical trial of AD109, an oral pill for obstructive sleep apnea
Stock up 0.6% YTD