GW Pharmaceuticals Attracts Shortsellers After 600% Runup

GW Pharmaceuticals PLC- ADR (NASDAQ:GWPH) (LON:GWP), which was an inconspicuous small-cap pharma company until the end of 2013, has now expanded to market cap of over a billion and counting. GW's stock gained a whopping 600% over a twelve month period. Being the classic representation of a momentum stock, GW has drawn the interest of shortsellers as well. Bearish interest rose in the pharma company at the end of April, and is now up to 5.2% of outstanding shares.

GW Pharmaceuticals conducting clinical trials for several drugs

GW Pharmaceuticals PLC-...