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: Google has strong first day of public trading After a bumpy ride toward becoming a publicly traded company, Google Inc. finally saw its stock start trading on the Nasdaq exchange at around noon Eastern Daylight Time Thursday and with a strong opening at \$100.01, up from its \$85 initial offering price. The stock, which trades under the GOOG ticker symbol, closed at \$100.34, up 18 percent.

Sci/Tech