Benzinga's Top Upgrades (NUS, DD, THOR, CSIQ)

Nu Skin Enterprises Inc NUS was upgraded by BofA/Merrill from "neutral" to "buy.” NUS' shares closed at $31.31 yesterday. Nu Skin's quarterly earnings surged 37.61% y/y. Goldman Sachs upgrade DuPont DD from "neutral" to "buy." DD's shares closed at $46.53 yesterday. DuPont's trailing-twelve-month ROE is 37.70%. Barclays Capital upgrade Thoratec Corporation THOR from "equal weight" to "overweight." THOR's shares closed at $26.10 yesterday. Thoratec's quarterly sales advanced 39.75% y/y. Analysts at Macquarie upgrade Canadian Solar Inc CSIQ from "neutral" to "outperform." CSIQ's shares closed at $13.54 yesterday. Canadian Solar's earnings may surge by 351.39% this year. More Analyst Ratings here