Brief: Niox Group Says Discussions With Keensight At A Preliminary Stage
April 1 (Reuters) - Niox Group PLC NIOX.L: NIOX GROUP PLC: DISCUSSIONS WITH KEENSIGHT REMAIN AT A PRELIMINARY STAGE NIOX GROUP PLC: FY PROFIT BEFORE TAX 7.8 MILLION STG Source text: ID:nRSA0227Da Further company coverage: NIOX.L ((Reuters.Briefs@thomsonreuters.com;))