On paper, discount retailer Dollar Tree (NASDAQ:DLTR) should thrive under the present challenging environment in the consumer economy. With stubbornly elevated inflation and high borrowing costs, DLTR stock should be a beneficiary of belt-tightening. Unfortunately, its fourth-quarter earnings report told a different story.According to Reuters, the retailer yesterday reported a net loss of $1.71 billion or $7.85 per share. This figure stood out against the year-ago period’s profit of $452.2 million or $2.04 ...