U.S. Markets close in 6 hrs 12 mins

Great Lakes Dredge & Dock Corporation -- Moody's upgrades Great Lakes Dredge & Dock Corp's ratings (CFR to B2); outlook is stable

Moody's Investors Service ("Moody's") upgraded its ratings for Great Lakes Dredge & Dock Corporation (NASDAQ: GLDD or Great Lakes), including the company's Corporate Family Rating (CFR) to B2 from B3 and Probability of Default Rating (PDR) to B2-PD from B3-PD. At the same time, Moody's upgraded Great Lakes' senior unsecured notes due 2022 to B3 from Caa1 and upgraded its Speculative Grade Liquidity (SGL) rating to SGL-2 from SGL-3.