On Friday, popular online review site Yelp began trading on the New York Stock Exchange. The company had a successful first day with shares jumping from $15 per share initial pricing to nearly $25 per share. Yesterday, in the company’s second day of trading, shares however dipped nearly 15 percent.

Companies file for IPOs all the time, but the recent filing by social networking giant Facebook has seemed to connect with nearly everyone, and in a big way. On Wednesday, Facebook filed for its IPO in hopes to raise $5 billion or more, which would make it the largest initial public offering from an Internet or technology company.