Krispy Kreme (NASDAQ:DNUT – Get Free Report) was downgraded by investment analysts at Zacks Research from a “hold” rating to a “strong sell” rating in a note issued to investors on Thursday,Zacks.com reports. Weiss Ratings reissued a “sell (d)” rating on shares of Krispy Kreme in a research note on Wednesday, June 24th. Finally, Wall Street Zen lowered Krispy Kreme from a “hold” rating to a “sell” rating in a research report on Saturday. Get Krispy Kreme alerts:View Our Latest Report on DNUTKrispy Kreme Stock Up 3.4%Shares of NASDAQ DNUT opened at $3.34 on Thursday. Founded in 1937 in Winston-Salem, North Carolina, by Vernon Rudolph, Krispy Kreme has grown from a single local shop to a multinational brand.