 SAN DIEGO BUFFALO, N.Y.--BUSINESS WIRE--- ATNX ATNX--Shareholder rights law firm Robbins LLP is investigating Athenex, Inc. NASDAQ: ATNX to determine whether certain Athenex officers and directors violated the Securities Exchange Act of 1934 and breached their fiduciary duties to the Company. Athenex is a global clinical stage biopharmaceutical company dedicated to the discovery, development, and commercialization of next generation drugs for the treatment of cancer. One of the Companys main drug can 