Fuel, Charges Push Continental to Loss  DALLAS (Reuters) - Continental Airlines &lt;A HREF="http://www.investor.reuters.com/FullQuote.aspx?ticker=CAL.N target=/stocks/quickinfo/fullquote"&gt;CAL.N&lt;/A&gt; on Tuesday  posted a third-quarter loss, reversing a year-earlier profit,  as it was hurt by record-high fuel prices and a one-time charge  for retiring some aircraft.