Investors File Lawsuits As Facebook Stock PlungesFacebook’s stock has steadily dropped to $32 over the past few days, 24 percent below last Friday’s opening price of $42 per share and 16 percent below the IPO price. SavePrintHelena Zhu5/24/2012|Updated: 10/1/2015We had a problem loading this article. Please enable javascript or use a different browser. If the issue persists, please visit our help center.