** Medical device maker ResMed's RMD.N shares rise 8.1% to $231.81
** RMD posted late on Wednesday Q1 adj. profit of $2.37 per share, beating analysts' estimates of $2.36 per share, according to data compiled by LSEG
** Company's Q1 revenue rose 8% to $1.29 billion
** ResMed said it is "very well positioned" and does not expect the introduction of U.S. tariffs to have a material impact on its financial results
** Brokerage William Blair says ResMed products are also exempt from the announced April tariffs, making it "one of the safer stories, if not the safest, from recent headlines"
** "We are decreasing our forward EPS estimates modestly, given a challenging macro environment" - Jefferies
** As of last close, RMD has risen 1.3% YTD
(Reporting by Siddhi Mahatole)
((siddhi.mahatole@thomsonreuters.com))