For Tumblr's Young Founder, Education in Wall Street's Ways

New York TimesFor Tumblr's Young Founder, Education in Wall Street's WaysNew York TimesTumblr's board hired Qatalyst Partners, the boutique investment bank founded by Frank Quattrone, to sell the company to Yahoo this year, agreeing on a price of $1.1 billion. But Mr. Karp made sure to note some of the fine print underlying that big number.