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: Gazprom shares opened 9 percent higher Wed, heavy buying continues MOSCOW, September 15 (Itar-Tass) -- Gazproms shares opened nine percent higher on Wednesday to reach 74 rubles apiece, as heavy buying continued on news of the forthcoming takeover of the oil company Rosneft and the early liberalization of the gas giant 

Business