Discount retail stock Dollar Tree Inc (NASDAQ:DLTR) was last seen down 2.4% to trade at $85.61, after a downgrade from Jefferies to "underperform" from "hold," with a price-target cut to$70 from $110. The firm also cut its earnings forecast far below Wall Street's expectations, citing "mounting execution risk," management decisions, as well as margins, tariff, and inflation concerns. On the charts, DLTR has been moving lower since its early September post-earnings bear gap, now trading at its lowest levels ...