 TheStreet downgraded shares of Acorn International NYSE:ATV from a b- rating to a c rating in a research note published on Wednesday, TheStreetRatingsTable reports. ATV opened at 9.78 on Wednesday. The stocks fifty day moving average is 14.96 and its two-hundred day moving average is 17.15. Acorn International has a 52 week low of 7.96 ... 