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: Update 6: Anthem, WellPoint Complete Merger Just hours after winning approval from Georgia, Anthem Inc. and WellPoint Health Networks Inc. announced the completion of a \$16.5 billion merger creating the nation #39;s largest health insurance company.

Business