Shoemaker Nike's Quarterly Earnings Rise  NEW YORK (Reuters) - Nike Inc. &lt;A HREF="http://www.investor.reuters.com/FullQuote.aspx?ticker=NKE.N target=/stocks/quickinfo/fullquote"&gt;NKE.N&lt;/A&gt; on Thursday said its  second-quarter earnings rose on strong demand for its namesake  athletic shoes and Converse sneakers.