The Goldman Sachs Group upgraded shares of Steel Dynamics (NASDAQ:STLD – Free Report) to a strong-buy rating in a research report released on Wednesday,Zacks.com reports. Wall Street Zen raised Steel Dynamics from a “hold” rating to a “buy” rating in a research note on Saturday, April 18th. Weiss Ratings upgraded Steel Dynamics from a “buy (b-)” rating to a “buy (b)” rating in a report on Thursday, June 18th. Get Steel Dynamics alerts:Get Our Latest Stock Analysis on Steel DynamicsSteel Dynamics Trading Down 2.8%STLD opened at $252.34 on Wednesday. Further ReadingReceive News & Ratings for Steel Dynamics Daily - Enter your email address below to receive a concise daily summary of the latest news and analysts' ratings for Steel Dynamics and related companies with MarketBeat.com's FREE daily email newsletter.