Health Care Winners and Losers: Boston Scientific

(Updated with final closing prices)

Shares of companies that make heart devices mostly traded higher Tuesday, after Boston Scientific (BSX Quote) reported successful trial results for one of its products, which analysts said could lead to better sales of other items.

Boston Scientific said its device designed to re-coordinate the pumping of the right and left ventricles, called a cardiac resynchronization therapy defibrillator, reduced death and the need for hospitalization in heart failure patients. Boston Scientific said its device was more effective than traditional implantable cardioverter defibrillators.

The devices deliver electric shocks to the heart to restore a normal rhythm. Use of implantable heart devices has slumped in recent years because of product recalls and safety concerns....