6 U.S.-Listed Stocks Short Sellers Are Strongly Betting Against By: Benzinga via Benzinga September 30, 2015 at 15:15 PM EDT SunGard's Astec Analytics looks into short-selling activity weekly. This week’s top pick, from a securities lending ... Read More >> Related Stocks: Apple Bio-Techne Corp Chesapeake Energy Fitbit Inc Gopro Inc Cl A Keryx Biopharm Inc Ziopharm Oncology IN