Abbott's new leadless pacemaker system has become commercially available and has begun being implanted in people at hospitals across the nation. Most people who need a pacemaker require pacing in two chambers of the heart, and the dual-chamber technology in Abbott's new system allows these patients to have a leadless pacemaker.
JPMorgan shares its top stocks list for October, including three new additions. One stock has rallied more than 155% this year but still has 25% upside.