Edit geometry of multiple objects simultaneously by moving points
Select Pick or Area Pick tool.
In Tool Options select Point Topological Level.
Select Wireframe display, making sure that 'Show Back Faces' is enabled in the Display Options. Note, window picking points in shaded view doesn’t pick points behind shaded surfaces.
Window pick the desired points.
Select Move tool then click and drag to move points.
Note, use Numeric Input palette to enter accurate distance value if desired.
Select Pick tool and click a blank area to de-select all the points, (or hit Option + Tab keys on (Mac) or Alt + Tab keys on (Win) to de-select).