Dollar Tree’s stock price plunged by more than 20% on Wednesday after the discount retailer missed quarterly estimates and slashed its annual forecasts — another sign that inflation-weary consumers are paring back spending.“Customers are expanding their consumption (on low-margin essentials) while contracting their spending on discretionary items because of macro belt-tightening,” Dollar Tree CFO Jeff Davis said on a post-earnings call. 3 Dollar Tree has seen its stock price fall by 20% after slashing its ...