A large part of this is "The Greater Fool" syndrome. Doesn't matter what you pay for the shares, you can always find a greater fool to sell them to! Oh and 4B$

A large part of this is "The Greater Fool" syndrome. Doesn't matter what you pay for the shares, you can always find a greater fool to sell them to! Oh and 4B$ will buy about 1/10 to 1/20 of Facebook