Here is WMT vs Costco
http://www.google.com/search?oi=stock&q=stocks:SFY&prev=/search%3Fq%3DSFY%26hl%3Den%26lr%3D
Not exactly a rining endorsement for shareholders. Yes, many stocks havent moved, but those are mostly compaies with little or now growth, WMT has had growth, yet its stock is standing still.
OOPs wrong link
http://finance.yahoo.com/q/bc?t=5y&s=WMT&l=on&z=m&q=l&c=cost
OK, so now what?