While Arena Pharmaceuticals (ARNA +0.00%) and VIVUS (VVUS +0.00%), makers of the obesity drugs Belviq and Qsymia, respectively, both garner a lot of attention on Fool.com, they also have attracted the attention of the short sellers. In this video, Motley Fool health-care analyst David Williamson talks about the "buy the run-up, short the launch" trend, and whether the short-sellers are right not to believe in these stocks.
Are the Shorts Right About Obesity Drugs?
By Dave Williamson and Max Macaluso – Dec 18, 2012 at 6:30PM
NASDAQ: ARNA
Arena Pharmaceuticals

The two obesity-drug makers have caught the attention of short sellers. Are they right?
About the Author
The Motley Fool's Healthcare Analyst, I specialize in Pharma, Biotech, and how the ACA (Obamacare) is changing the business of healthcare in America. Follow me on Twitter for breaking stock news, policy thoughts, and misc musings...
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