BUZZ-Australia's Imricor rises on seeking FDA nod for product expansion in U.S.

** Shares of medical device developer Imricor IMR.AX rise 5.2% to A$1.935, set for best day since March 25

** Co submits its NorthStar mapping system - an MRI-linked system - to the U.S. Food and Drug Administration for pediatric label expansion

** "The submission to expand NorthStar to include use with pediatric patients represents another important step in the company’s U.S. commercialization strategy" - Co

** Stock up 26.5% YTD