Pinterest Shares Closed at $24.40 on Their First Trading Day

The IPO price of $19 apiece puts the company’s value at some $12.7 billion

The New York Stock Exchange and Pinterest are more connected than ever CocoSan/iStock

Pinterest shares closed trading Thursday at $24.40 apiece after the company’s initial public offering began trading on the New York Stock Exchange Thursday morning at an opening price of $19 per share. David Cohen is editor of Adweek's Social Pro Daily.