Canadian Natural Resources Limited (CNQ) is set to release second-quarter results on Aug 1. The Zacks Consensus Estimate for the to-be-reported quarter is pegged at a profit of 55 cents per share on revenues of $6.2 billion.Let’s delve into the factors that might have influenced this independent energy company’s performance in the June quarter. But it’s worth taking a look at CNQ’s previous-quarter performance first.Highlights of Q1 Earnings & Surprise HistoryIn the last reported quarter, this Calgary, Albe ...