(4-traders.com) Canadian natural-gas company Encana Corp. (ECA, ECA.T) extended its tender offer for Texas shale-oil producer Athlon Energy Inc. (>> Athlon Energy Inc) and amended its merger agreement with Athlon. Encana said the extension is being made in connection with a memorandum of understanding for a settlement of lawsuits related to the...http://www.4-traders.com/ENCANA-CORPORATION-1409827/news/Encana-Extends-Athlon-Energy-Tender-Offer-19327332/