America West Posts Loss, More Losses Loom  CHICAGO (Reuters) - America West Holdings Corp. &lt;A HREF="http://www.investor.reuters.com/FullQuote.aspx?ticker=AWA.N target=/stocks/quickinfo/fullquote"&gt;AWA.N&lt;/A&gt; on  Wednesday posted a third-quarter loss and forecast losses going  forward as soaring fuel prices, weak revenue and excess  industry capacity broke a stream of profits at the parent of  America West Airlines.