Discovery Communications, Inc. (NASDAQ: DISCA) posted sharp increase in fiscal third quarter profit, driven by strong revenue growth both in the U.S. and international networks. Shares gained as the company backed its full-year outlook. For the latest period, the Company earned 80 cents a share, on adjusted basis. Analysts polled by Thomson Reuters had expected earnings of 72 cents a share. Total revenue for the period climbed 28% to $1.375 billion from $1.076 billion, aided 59% growth at its international networks and 10% growth in U.S. Networks. Analysts’ consensus estimate was for revenue of $1.39 billion.