St. Jude (STJ -5.1%) shares tumbled after a Bernstein survey showed high levels of doctor...

|About: St. Jude Medical, Inc. (STJ)|By:, SA News Editor

St. Jude (STJ -5.1%) shares tumbled after a Bernstein survey showed high levels of doctor concerns about insulation failures of the medical device maker's Riata defibrillation leads, which were discontinued last year. Almost half of doctors surveyed also worried that St. Jude’s Durata lead, which has remained on the market, could have the same problem as Riata.