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: Shares fall 7.1 percent in Tuesday #39;s pre-open SAN FRANCISCO (CBS.MW) -- Shares of National Semiconductor fell more than 7 percent in pre-open trading Tuesday after the analog chipmaker lowered its fiscal second-quarter financial targets due to weak demand and high inventory.

Business