Some investors may have had more information than others . On Tuesday , Facebook 's stock has fallen nearly 18 % from its IPO price . Steve Blank : It 's too early to evaluate Facebook based on its initial performance on the market . Despite its IPO price mess , Facebook just needs to prove its long - term worth , he says . Blank : Facebook itself could change the business culture of Silicon Valley forever .
On Tuesday , Facebook 's stock has fallen nearly 18 % from its IPO price . Steve Blank : It 's too early to evaluate Facebook based on its initial performance on the market . Despite its IPO price mess , Facebook just needs to prove its long - term worth , he says . Blank : Facebook itself could change the business culture of Silicon Valley forever .