Analysts Boost Great Lakes Dredge & Dock to Buy Amid Mixed Signals Great Lakes Dredge & Dock shares climbed 1.03% to $8.81, outperforming broader markets. Despite a recent three-year decline of 43%, analysts have upgraded the stock to a buy candidate, citing positive short-term signals. However, forecasts suggest a possible short-term pullback, with a wide trading range expected in the coming months.123