This Pharma Jumped 60% In One Month

Major stock market indexes have kept climbing to record highs over the past month, and investors are more optimistic than ever about their portfolios. A handful of stocks has helped to lead the way higher for the markets, posting huge gains since late June. Among the best performers, Hertz Global Holdings (NYSE:HTZ), Halcon Resources (NYSE:HK), and Arena Pharmaceuticals (NASDAQ:ARNA) have all soared 60% or more in a month's time, and investors want to know whether they have more room to run higher.