UPDATE: Stifel Downgrades Priceline On Headwinds In 2015 By: Benzinga via Benzinga January 08, 2015 at 08:10 AM EST In a report published Thursday, Stifel analyst Scott Devitt downgraded the rating on Priceline Group Inc (NASDAQ: PCLN) from Buy to ... Read More >> Related Stocks: The Priceline Group