Also

* Barnes & Noble Inc. named Stephen Riggio as chief executive, succeeding his older brother Leonard, who remains chairman. Stephen Riggio, 47, most recently was acting chief executive of Barnesandnoble .com. The move is part of a series of management changes that also include the naming of Chief Operating Officer Alan Kahn as president of the Barnes & Noble Publishing Group.

* Ivax Corp., which makes the leading generic version of the cancer drug Taxol, said fourth-quarter profit rose 8.2% to $53.8 million, or 27 cents a share, matching analyst estimates. Revenue rose 36% to $329.9 million.