Sunoco LP (SUN) closed the most recent trading day at $56.54, moving -0.75% from the previous trading session. This change lagged the S&P 500's 0.41% loss on the day. At the same time, the Dow lost 0.12%, and the tech-heavy Nasdaq lost 0.71%. Prior to today's trading, shares of the master limited partnership had gained 14.56% over the past month. This has outpaced the Oils-Energy sector's loss of 1.17% and the S&P 500's gain of 3.53% in that time. Investors will be eagerly watching for the performance of Su ...