BUZZ-Encana Corp: Shares up on sale of gas properties
** U.S. shares of Canada's largest natural gas producer up 2.5 pct at $24.50 premarket
** Encana to sell Bighorn gas properties in Alberta to Apollo Global Management LLC for about C$2 billion
** Deal part of Encana's efforts to focus on more lucrative oil and natural-gas liquids
© Thomson Reuters 2016 All rights reserved.