Valuation: $500 million last week; $1 billion this week.

Insta-Rich: $1 Billion for Instagram

Morguard expects to fully lease 150 Elgin by 2014

Although the growth in C.E.O. compensation slowed last year, the pay numbers are still eye-popping.

In Executive Pay, a Rich Game of Thrones

Valuation: $500 million last week; $1 billion this week.

Insta-Rich: $1 Billion for Instagram

Morguard expects to fully lease 150 Elgin by 2014

Although the growth in C.E.O. compensation slowed last year, the pay numbers are still eye-popping.

In Executive Pay, a Rich Game of Thrones