Greece’s Diligent Holdings has sold its 2009-built, 56,000 dwt supramax bulk carrier to Roy Khoury-led Blue Fleet Group of Lebanon for $18m. The deal comes after Diligent sold a 2008-built, 56,000 dwt Oreo to the same buyers in June for $19.35m. Over the past 18 months, Diligent has sold seven...