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: Bextra report questions effects on heart patients A study suggesting arthritis drug Bextra doubles patients #39; heart attack and stroke risks drew a sharp rebuttal Wednesday from the drug #39;s maker, Pfizer (PFE), as its stock price dipped.

Business