Norsk Hydro ASA (OTCMKTS:NHYDY – Get Free Report) was downgraded by analysts at Zacks Research from a “hold” rating to a “strong sell” rating in a research report issued on Tuesday,Zacks.com reports. Deutsche Bank Aktiengesellschaft reiterated a “hold” rating on shares of Norsk Hydro ASA in a research report on Thursday, July 2nd. Pareto Securities lowered Norsk Hydro ASA from a “buy” rating to a “hold” rating in a research report on Thursday, June 11th. UBS Group cut Norsk Hydro ASA from a “buy” rating to a “neutral” rating in a research note on Thursday, April 9th. Get Norsk Hydro ASA alerts:Get Our Latest Research Report on Norsk Hydro ASANorsk Hydro ASA Price PerformanceNHYDY stock opened at $8.84 on Tuesday.