The Toronto stock market looked set to open little changed Tuesday while investors considered a major deal in the energy sector. U.S. futures also indicated a soft start to the session with the Dow Jones industrial futures up six points to 17,106, the Nasdaq futures were 5.5 points higher to 4,098.5 and the S&P 500 futures added 0.9 of a point to 2,001.5. After the markets closed Monday, Encana Corp. announced that it is selling its remaining stake in PrairieSky Royalty Ltd. in a deal valued at about $2.6 billion.