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Analysts covering Kongsberg Gruppen ASA have given a sweeping endorsement of the Norwegian defense technology firm’s shares after they fell 18% in a post-results plunge. Eight of the 12 brokers who cover the shares upgraded their recommendation in the past 24 hours, eradicating all sell ratings in the process. Most analysts view the reaction to weaker-than-expected third-quarter earnings as overdone. Kongsberg also said it will demerge and list its maritime technology business to focusBloomberg Terminal on defense.