STOCKHOLM (Standard&Poor's) Sept. 4, 2003--Standard&Poor's Ratings Services said today it revised its outlook on Sweden-based financial services group Skandinaviska Enskilda Banken AB (SEB) to positive from stable. At the same time, all ratings on SEB, including the 'A-' long-term and 'A-2' short-term counterparty credit ratings, were affirmed. In addition, the rating on SEB's U.S. CP program was withdrawn at the request of the issuer. "The outlook revision reflects our expectation that management's increased focus on risk control, better cost efficiency over the past two years, and the group's ability to deliver stable profits under adverse market conditions will continue to lead to better and stable financial performance over the medium term," said Standard&Poor's credit