Loading...Loading...Shares of Cara Therapeutics Inc CARA tanked in early trading on Thursday, with the Dow shedding more than 100 points.The company reported its quarterly results amid an exciting earnings season. Here are some key analyst takeaways.Needham analyst Joseph Stringer downgraded the rating on the stock from Buy to Hold.HC Wainwright analyst Oren Livnat downgraded the rating on the stock from Buy to Neutral.Check out other analyst stock ratings.Needham: Cara Therapeuticssaidafter market close on ...