Wal-Mart Still Sees Nov. Sales Up 2-4 Pct  CHICAGO (Reuters) - Wal-Mart Stores Inc. &lt;A HREF="http://www.investor.reuters.com/FullQuote.aspx?ticker=WMT.N target=/stocks/quickinfo/fullquote"&gt;WMT.N&lt;/A&gt;, the  world's largest retailer, said on Saturday it still expects a 2  percent to 4 percent increase in November sales at its U.S.  stores open at least a year.