SunTrust Restates Results Over Bad Loans  NEW YORK (Reuters) - SunTrust Banks Inc. &lt;A HREF="http://www.investor.reuters.com/FullQuote.aspx?ticker=STI.N target=/stocks/quickinfo/fullquote"&gt;STI.N&lt;/A&gt;, which  fired three executives over its accounting for bad loans, on  Friday restated first-half profit higher by \$25.1 million,  slightly more than it had forecast, to fix the errors.