Definition: In this task, you are given a news article. Your task is to classify the article to one out of the four topics 'World', 'Sports', 'Business', 'Sci/Tech' if the article's main topic is relevant to the world, sports, business, and science/technology, correspondingly. If you are not sure about the topic, choose the closest option. Note that URLs in the text have been replaced with [Link].
Input: 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="[Link] 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.

Business