FIG. 1 is a top view of my design for a display cart according to the invention; FIG. 2 is a front view thereof; FIG. 3 is a first side view thereof; the opposite side being identical; FIG. 4 is a top right perspective view thereof; FIG. 5 is a top left perspective view thereof; FIG. 6 is a bottom left perspective view thereof; and, FIG. 7 is a bottom right perspective view thereof.