Wal-Mart Raises Full-Year Profit Outlook  NEW YORK (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 biggest retailer, on Tuesday raised its profit forecast  for the full year.