FedEx Profit, Outlook Up, Stock Down  NEW YORK (Reuters) - FedEx Corp. &lt;A HREF="http://www.investor.reuters.com/FullQuote.aspx?ticker=FDX.N target=/stocks/quickinfo/fullquote"&gt;FDX.N&lt;/A&gt;  said quarterly  profit nearly quadrupled on in its international, ground and  freight businesses, but the stock slipped on disappointment  over the margins.