** Shares of energy transportation services provider International Seaways INSW.N up 10% at $37 in extended trading
** S&P Dow Jones Indices says on Monday INSW will replace Consolidated Communications Holdings CNSL.O in the S&P SmallCap 600 before Dec. 30
** Up to last close, stock was down 22.54% YTD
(Reporting by Anshuman Tripathy)
((Anshuman.Tripathy@thomsonreuters.com))