facebook shares falling

Facebook Photo Bombs Instagram

Instagram accepted a roughly $1 billion buyout bid from Facebook earlier this year, shortly before the world's largest social networking website operator went public. It seemed like a great deal at the time, but Instagram's no longer a $1 billion company.

Facebook Stock Could Fall Twice as Far Before It Hits Bottom

With Facebook shares Tuesday morning trading $7.80 below their offering price, mom-and-pop investors alone are out more than $800 million. And that's the good news. Now here's the bad: Whatever the right number is for how much we've lost so far -- get ready to double it.