EDS:US Airways Bankruptcy to Cut Earnings  WASHINGTON (Reuters) - Electronic Data Systems Corp.  &lt;A HREF="http://www.investor.reuters.com/FullQuote.aspx?ticker=EDS.N target=/stocks/quickinfo/fullquote"&gt;EDS.N&lt;/A&gt; on Thursday said the bankruptcy of US Airways Group  Inc. &lt;A HREF="http://www.investor.reuters.com/FullQuote.aspx?ticker=UAIRQ.OQ target=/stocks/quickinfo/fullquote"&gt;UAIRQ.OQ&lt;/A&gt; could sharply reduce its third-quarter earnings  because of a long-term information technology contract between  the companies.