NEW YORK, April 7, 2015 /PRNewswire/ — Pomerantz LLP is investigating claims on behalf of investors of Cellular Biomedicine Group Inc. (“CBMG” or the “Company”) (NASDAQ: CBMG). Such investors are advised to contact Robert S. Willoughby at rswilloughby@pomlaw.com or 888-476-6529, ext. 237. The investigation concerns whether CBMG and certain of its officers and/or directors have violated…