CVRx (CVRX) shares ended the last trading session 19% higher at $8.51. The jump came on an impressive volume with a higher-than-average number of shares changing hands in the session. This compares to the stock's 30.1% loss over the past four weeks.CVRx stock rallied following the company’s announcement to appoint Robert John as Chief Revenue Officer effective June 27. CVRx management expects John’s presence will help the company to expand the adoption of Barostim therapy.This medical device company is expe ...