Wireless Business Helps Lucent Profit  CHICAGO (Reuters) - Lucent Technologies Inc. &lt;A HREF="http://www.investor.reuters.com/FullQuote.aspx?ticker=LU.N target=/stocks/quickinfo/fullquote"&gt;LU.N&lt;/A&gt;, among  the world's largest makers of telecommunications equipment, on  Wednesday said quarterly earnings rose, helped by improvement  in its wireless networks business, which makes base stations  and other products.