LOS ANGELES--(BUSINESS WIRE)--CytRx Corporation (NASDAQ: CYTR), a biopharmaceutical company specializing in oncology, today announced that it is set to join the Russell 3000® Index, according to a preliminary list of additions posted June 11 on www.russell.com. Reconstitution of the Russell 3000, which measures the performance of the 3,000 largest U.S. companies based on total market capitalization, will occur June 25.