If your car is well-cleaned, sure (so you don add swirls and scratches while buffing). Sometimes you only have time for a quick wax, and that's perfectly fine.
If I clayed, I'd be inclined to do some paint correction, seal the paint and then wax...but I'm anal about things like that...
2012 GT-R Black Edition Jet Black
2010 370Z 40th Anniversary // SOLD