It has been about a month since the last earnings report for Sunoco LP (SUN) . Shares have lost about 0.8% in that time frame, underperforming the S&P 500.Will the recent negative trend continue leading up to its next earnings release, or is Sunoco LP due for a breakout? Before we dive into how investors and analysts have reacted as of late, let's take a quick look at its most recent earnings report in order to get a better handle on the important drivers. Sunoco Q2 Earnings Beat EstimatesSunoco LP reported ...