Alcatel Bolsters U.S. Presence  PARIS (Reuters) - Alcatel &lt;A HREF="http://www.investor.reuters.com/FullQuote.aspx?ticker=CGEP.PA target=/stocks/quickinfo/fullquote"&gt;CGEP.PA&lt;/A&gt; has expanded its  foothold in the key North American market with the acquisition  of a mobile software provider and a conference technology  business for \$277 million.