Confident or arrogant? LinkedIn ups valuation to $4B

LinkedIn, a social network that connects professionals to help form new business contacts, increased the share pricing for its initial public offering tomorrow to between $42 and $45 — giving the company a valuation of around $4 billion — according to an updated filing with the Securities and Exchange Commission.

LinkedIn claims $3B valuation in IPO pricing

Business social networking site LinkedIn has priced its initial public offering between $32 and $35 per share, meaning the company seeks to raise up to $175 million and would be valued at $3 billion, according to an updated filing with the Securities and Exchange Commission.