 Nuveen Preferred Income Oprtnts Fnd NYSE:JPC shares rose 15.3 during trading on Wednesday . The company traded as high as 6.20 and last traded at 6.86, approximately 835,242 shares changed hands during mid-day trading. An increase of 48 from the average daily volume of 563,040 shares. The stock had previously closed at 5.95. The ... 