Dollar Tree (DLTR) closed the latest trading day at $66.77, indicating a -0.06% change from the previous session's end. This move lagged the S&P 500's daily gain of 1.23%. On the other hand, the Dow registered a gain of 1.02%, and the technology-centric Nasdaq increased by 1.43%.Heading into today, shares of the discount retailer had lost 3.82% over the past month, lagging the Retail-Wholesale sector's gain of 0.58% and the S&P 500's loss of 0.54% in that time.Market participants will be closely following t ...