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: Nikkei Up But Caution Looms Before Fed  TOKYO (Reuters) - Tokyo's Nikkei average rose 0.13 percent  by midday on Tuesday as investors sought bargains among  technology firms, but gains were limited by caution ahead of a  monetary policy meeting in the United States.

Business