ARC’s stock gained as much as 24%. Meanwhile, Whitecap Resources Inc. shares rose as much as 4.3%, Kelt Exploration Ltd. gained as much as 11%, Ovintiv Inc. was up as much as 2.4% and Tourmaline Oil Corp. climbed as much as 4.8%. All of those outpaced the S&P/TSX Composite Energy Sector Index, which increased as much as 1.5%.






