Wyeth's Profit Beats Estimates  NEW YORK (Reuters) - Wyeth &lt;A HREF="http://www.investor.reuters.com/FullQuote.aspx?ticker=WYE.N target=/stocks/quickinfo/fullquote"&gt;WYE.N&lt;/A&gt; on Wednesday reported a  third-quarter profit that exceeded analysts' estimates,  compared with a loss a year earlier, when it took a large  charge relating to its recalled "fen-phen" diet medicines.