Wells Fargo Profit Rises 12 Percent  NEW YORK (Reuters) - Wells Fargo   Co. &lt;A HREF="http://www.investor.reuters.com/FullQuote.aspx?ticker=WFC.N target=/stocks/quickinfo/fullquote"&gt;WFC.N&lt;/A&gt;, the No. 4  U.S. bank, on Tuesday said third-quarter profit rose a  lower-than-expected 12 percent after a downturn in home  mortgage lending.