This beaten-down logistics giant could be poised for a comeback.United Parcel Service (UPS -0.17%) stock is trading down 26% from its 52-week high amid a string of disappointing quarterly results. The logistics and transportation leader has struggled to navigate a shifting operating landscape between lower shipping demand and inflationary cost pressures.On the other hand, early signs of a potential turnaround in the company's latest update offer investors room for optimism. Could shares of UPS make a good a ...