 Nuveen Floating Rate Income Opportnty Fd NYSE:JROs stock price traded up 6.1 during mid-day trading on Friday . The company traded as high as 6.51 and last traded at 6.26, 413,296 shares changed hands during mid-day trading. A decline of 22 from the average session volume of 531,485 shares. The stock had previously closed at ... 