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 Reverses Opening Gains (Reuters) Reuters - Tokyo's Nikkei average reversed opening\gains to fall 0.69 percent by midsession on Wednesday as early\buying on exporters, inspired by gains on Wall Street after an\increase in U.S. interest rates, ran out of steam.

Business