initial public offering price Why Facebook won't start trading at the opening bell Why Facebook won't start trading at the opening bell initial public offering price Why Facebook won't start trading at the opening bell Why Facebook won't start trading at the opening bell Why Facebook won't start trading at the opening bell Why Facebook won't start trading at the opening bell Why Facebook won't start trading at the opening bell initial public offering price Why Facebook won't start trading at the opening bell Why Facebook won't start trading at the opening bell initial public offering price Why Facebook won't start trading at the opening bell Why Facebook won't start trading at the opening bell Why Facebook won't start trading at the opening bell Why Facebook won't start trading at the opening bell initial public offering price Why Facebook won't start trading at the opening bell Why Facebook won't start trading at the opening bell