Today, our fool.com health-care analysts look at Discovery Labs' huge August performance and wonder whether the company can maintain its torrid pace. Discovery has received favorable upgrades, but it still has a hard fight ahead of it with serious competitors such as Abbot Labs and Cornerstone Therapeutics.

When it comes to do-or-die businesses, the biotech industry takes the cake. Arena Pharmaceuticals is one recent success story in the industry after gaining FDA approval for its innovative obesity drug. While the future looks bright for Arena, there are still plenty of obstacles ahead. In our brand-new premium research report on Arena Pharmaceuticals, we walk investors through the must-know opportunities and threats facing the company. Since key news can develop quickly, we're also including a full year of updates for those who sign up. Click here now to learn more.