SunTrust Axes 3 Finance Execs, to Restate  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;, the No. 7  U.S. bank, on Wednesday said it fired three finance executives,  including its chief credit officer, after finding "numerous  errors" in how much to set aside for bad loans.