keywords: krispy doughnuts doughnut kreme reuters
text: SEC Steps Up Probe of Krispy Kreme  NEW YORK (Reuters) - U.S. securities regulators have  ratcheted up their probe of Krispy Kreme Doughnuts Inc.  &lt;A HREF="http://www.investor.reuters.com/FullQuote.aspx?ticker=KKD.N target=/stocks/quickinfo/fullquote"&gt;KKD.N&lt;/A&gt;, looking at how it repurchased some of its doughnut  franchises, the company said on Friday.