Three Signs Wal-Mart's Best Days are Behind It

The link implies the Wal-Mart empire is "collapsing".    That is too strong a word I think, though they do have tremendous costs just to keep going.  Their own "hugeness" makes them vulnerable to relatively minor loses in income.   Everything else in the link sounds right on....

http://finance.yahoo.com/blogs/breakout/3-reasons-walmart-empire-collapsing-164315981.html

The main complaints are that the stores are a mess, they have finally pushed too hard and angered both suppliers and workforce, their business model does not translate well overseas, nor in big cities here at home.