TSX barely lower on busy earnings day

TORONTO (Reuters) - Canada's main stock index was barely lower in morning trade on Thursday as energy stocks mostly gained and investors reacted to a string of earnings reports. The most influential gainers included Cenovus Energy Inc , which rose 4.2 percent to C$18.23 after posting a smaller-than-expected quarterly loss, and First Quantum Minerals Ltd , which jumped 9.6 percent to C$11.40. The energy group climbed 0.5 percent despite a fall in crude oil , while the materials group, which inclu