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: Costco Profit Up 24 Percent, Shares Rise  NEW YORK (Reuters) - Costco Wholesale Corp. &lt;A HREF="[Link] target=/stocks/quickinfo/fullquote"&gt;COST.O&lt;/A&gt;  reported higher-than-expected quarterly profit and a healthy  rise in September sales on Thursday, sending its shares up 2  percent in pre-market trading.

Business