Dollar Tree Inc (NASDAQ:DLTR) stock is down 9.4% to trade at $87.62 at last glance, brushing off a first-quarter earnings and revenue beat after the discount retailer also issued a lackluster forecast for the current quarter, citing recent tariff uncertainty.DLTR is on track for its worst day since April 3 as it pulls back from its highest level since August. Though the shares still sport a 17.1% year-to-date lead, they fell more than 27% over the past 12 months, and are gapping below support at their 20-da ...