Some companies made it out of the 2001 era very strongly, though most didn't. The main difference I see here is that the stock of most of the companies which cr

Some companies made it out of the 2001 era very strongly, though most didn't. The main difference I see here is that the stock of most of the companies which crashed in 2001 initially rose strongly on the back of speculation. In the case of FB/ZNGA etc, the stock has consistently fallen since IPO. The market mechanism appears to be working here in a way it failed in 2001.