KANSAS CITY, Mo., March 30 -- Responding to press speculation of financial troubles at the Global One joint venture, the three parent companies -- Deutsche Telekom, France Telecom and Sprint -- reaffirmed their confidence in the venture. The partners cited 1998 results, showing a clear increase in revenues, which they say indicates that the restructuring being undertaken is working. The companies say that they stand by Global One; they are convinced that the joint venture will achieve the goals that have been set and will break even by the year 2001.