) Inc., derived from the Latin word altis, high. AOL Time Warner (TWX
), trying to forget a romance gone sour, returned to its old-media roots with Time Warner (TWX
). And WorldCom Inc., forced into bankruptcy-court protection by a monumental fraud, reverted to its MCI brand. Tyco International (TYC
) Ltd. seemed ripe for a change, but new management chose to stand pat, for now. Turns out customers of ADT security alarms and Grinnell valves don't necessarily associate those brands with their troubled parent.