Krispy Kreme Profit Drops, Stock Hammered  NEW YORK (Reuters) - 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; on  Thursday reported a sharp drop in quarterly profit and signaled  that business may not recover any time soon, sending its shares  down more than 17 percent in pre-market trading.