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 Seen Firming After 11,000 Cleared  TOKYO (Reuters) - Japan's Nikkei average is expected to  extend gains on Thursday as investors keep a healthy appetite  for blue-chip exporters after a fall in oil prices boosted  confidence over the U.S. economy and lifted Wall Street stocks.

Business