Shares of Great Lakes Dredge & Dock (GLDD) have gained 20.5% over the past four weeks to close the last trading session at 10.70,buttherecouldstillbeasolidupsideleftinthestockifshort−termpricetargetsofWallStreetanalystsareanyindication.Goingbythepricetargets,themeanestimateof14.33 indicates a potential upside of 33.9%.The average comprises three short-term price targets ranging from a low of 14toahighof15, with a standard deviation of $0.58. While the lowest estimat ...