New York, NY -- (SBWIRE) -- 05/28/2013 -- Tsakos Energy Navigation Ltd. (NYSE:TNP) shut Saturday at $4.96, a 18.10% increase. Around 2.45 thousand stocks were exchanged, defeating a-average trading number of 291,532.00 stocks. The organization is now respected at around $279.96 thousand. Tsakos Power Routing Restricted provides worldwide seaborne raw oil and oil product transport solutions globally. The organization offers sea transport solutions to national, major, and other separate oil companies and refiners under lengthy, method, and short-term boat charters.