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: Wal-Mart to take biggest hit from S amp;P index shift NEW YORK (CBS.MW) - Wal-Mart Stores will experience the most negative impact from a plan for Standard  amp; Poor #39;s to shift the composition of key index benchmarks over a phased, year-long transition, analysts said Wednesday.

Business