** Shares of cancer test developer Exact Sciences EXAS.O rise ~9% to $60 premarket
** Co's colon cancer screening test receives 16% higher pricing for government-backed Medicare plans for those aged 65 years and older
** Next-generation version of EXAS' non-invasive stool screening test, Cologuard Plus, receives ~16% increase in Medicare reimbursement price, compared with its original version
** "We believe it strengthens the thesis around margin leverage and sets up EXAS to exceed the 20% EBITDA margin by 2027," Piper Sandler analysts say
** Up to last close, stock down ~26% YTD
(Reporting by Mariam Sunny in Bengaluru)
((Mariam.ESunny@thomsonreuters.com;))