StockNews.com upgraded shares of Seaboard (NYSEAMERICAN:SEB – Free Report) from a hold rating to a buy rating in a research note published on Tuesday. Seaboard Stock Down 0.4 % SEB opened at $3,621.22 on Tuesday. The firm’s fifty day simple moving average is $3,825.11. Seaboard has a 52-week low of $3,295.00 and a 52-week high […]