Top 3 Short Ideas Among Friday's Losers

Ranging from biotech to cyclical consumer goods and services, Friday's top losers with a significant percentage of their float being shorted as of November 28, are in a tight spot, as far as the recovery of their stock price is concerned.

ImmunoGen, Inc. IMGN

The developer of antibody based therapeutics for the treatment of cancer slid 44 percent Friday following the announcement by the rival company, Roche, of top-line results of its Phase III MARIANNE study. ImmunoGen had a short interest of 14.4 percent as of late November.

Teekay Tankers Ltd. TNK

This second entrant on the list was down about 14 percent on the announcement of a 20 million share offering and a UBS downgrade to Neutral. As of November 28, 11.8 percent of the company's float was shorted.

Iconix Brand Group Inc ICON

The short interest in this brand management company stood at 29.8 percent of its float as of late November. The stock, which has a hold rating from Brean Capital and Wunderlich, fell 7 percent to $33.25 in Friday's trading session.