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: Stocks Gain on Siebel, Oil Below \$50  NEW YORK (Reuters) - U.S. stocks rose on Monday as software  company Siebel Systems Inc. &lt;A HREF="[Link] target=/stocks/quickinfo/fullquote"&gt;SEBL.O&lt;/A&gt; boosted technology shares  with a better-than-expected sales outlook and Friday's  start-of-quarter buying spree ran into the new week.

Business