BOSTON - A federal judge in Massachusetts on April 7 denied motions to dismiss in a securities class action lawsuit, ruling that lead plaintiffs have properly pleaded their federal securities law claims at this point in the litigation (Silverstrand Investments, et al. v. AMAG Pharmaceuticals Inc., et al., No. 10-10470, D. Mass.; 2014 U.S. Dist. LEXIS 48231).