Benzinga's Top Downgrades By: Benzinga via Benzinga February 02, 2016 at 09:14 AM EST Stifel Nicolaus downgraded Twitter Inc (NYSE: TWTR) from Hold to Sell. Twitter shares closed at $17.90 on Monday. Analysts at JP ... Read More >> Related Stocks: Antero Resources Corp Dominion Resources Duke Energy Hain Celestial Group Praxair Southwestern Energy Superior Energy Services Sysco Corp Twitter, Inc.