(September 30, 2019, 10:35 AM EDT) -- NEW YORK — A shareholder on Sept. 25 filed a securities class action against a commercial cannabis grower in New York federal court, alleging that the company, certain of its officers and directors and underwriters of its initial public offering (IPO) concealed quality control issues within its business in the IPO’s offering documents in violation of federal securities laws (Yimin Huang v. Sundial Growers Inc., et al., No. 19-8913, S.D. N.Y.)....