Freedom Capital upgraded shares of Preformed Line Products (NASDAQ:PLPC – Free Report) from a hold rating to a strong-buy rating in a research note published on Tuesday,Zacks.com reports. Wall Street Zen upgraded Preformed Line Products from a “buy” rating to a “strong-buy” rating in a report on Saturday, August 1st. Get Preformed Line Products alerts:View Our Latest Analysis on Preformed Line ProductsPreformed Line Products Stock Down 2.2%Shares of NASDAQ:PLPC opened at $460.75 on Tuesday. Preformed Line Products (NASDAQ:PLPC – Get Free Report) last released its earnings results on Wednesday, July 29th. Featured StoriesReceive News & Ratings for Preformed Line Products Daily - Enter your email address below to receive a concise daily summary of the latest news and analysts' ratings for Preformed Line Products and related companies with MarketBeat.com's FREE daily email newsletter.