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: Quattrone barred from Wall Street NEW YORK The NASD on Monday said that it had permanently barred Frank Quattrone, the former star banker, from the securities industry for refusing to testify in an NASD investigation of his role in possible document destruction and obstruction of justice.

Business