CHICAGO--(BUSINESS WIRE)--Fitch Ratings believes the 'BBB' Issuer Default Rating for Keysight Technologies, Inc. (Keysight) is unaffected by the proposed acquisition of software-centric wireless design and validation testing solutions provider, Anite Plc (Anite). A full list of current ratings follows at the end of this release. Fitch views the acquisition as a modest credit positive, given that Anite aligns with Keysight's strategy to grow in wireless communications, expand software solutions