Mealey's (September 15, 2017, 10:33 AM EDT) -- NEW YORK — Newly uncovered evidence that could show that mobile device manufacturer BlackBerry Ltd. and certain of its former executive officers concealed declining sales of its new Z10 smartphone and other 10 series mobile devices is enough to warrant amendment of a shareholder class action complaint so that shareholders may properly plead the elements of their federal securities law claims, a federal judge in New York ruled Sept. 13 in granting the shareholders leave to amend (Marvin Pearlstein v. BlackBerry Ltd., et al., No. 13-7060, S.D. N.Y.; 2017 U.S. Dist. LEXIS 148479)....