NEW YORK--(BUSINESS WIRE)--Rosen Law Firm, a global investor rights law firm, reminds investors that a shareholder filed a class action lawsuit on behalf of purchasers of common stock of Spectrum Pharmaceuticals, Inc. (NASDAQ: SPPI) between May 12, 2022 and September 22, 2022, both dates inclusive (the "Class Period†). The lead plaintiff process was reopened by the Court. Spectrum Pharmaceuticals describes itself as a "biopharmaceutical company focused on acquiring, developing, and commercializ. ...