Cara Therapeutics Ends Mixed Month With Upgrade From Vetr Crowd By: Benzinga via Benzinga March 31, 2017 at 13:39 PM EDT The Vetr crowd upgraded their rating Cara Therapeutics Inc (NASDAQ: CARA) on Friday, from 1.5 stars (Strong Sell), issued 16 days ago, ... Read More >> Related Stocks: Cara Therapeutics