ROSEN, GLOBALLY RESPECTED INVESTOR COUNSEL, Encourages Facebook, Inc. Investors with Losses in Excess of $100K to Secure Counsel Before Important Deadline in Securities Class Action First Filed by Firm – FB NEW YORK, Oct. 29, 2021 (GLOBE NEWSWIRE) -- WHY: Rosen Law Firm, a global investor rights law firm, announces it has filed a class action lawsuit on behalf of purchasers of the securities of...