são pauloenergisa sa shares fell 71 friday after the brazilian electric utilities company posted fourthquarter results with declining operating figures shares reached 3714 reais the equivalent of 704 and were down 96 from the end of last year through thursdays close brazils benchmark ibovespa stocks index was down 15 in latemorning trading energisa said thursday after the close that fourthquarter net operating revenue fell 18 from a year ago to brl54 billion while net income rose 165 to brl3829 million energisas operating results were worse than expected and hit by mild power distribution volumes including lower volumes in the rural and commercial segments according to credit suisse analysts net income was also worse than expected but helped by a positive effective tax rate the analysts said