Brief: S&P Dow Jones Indices Vertiv Holdings, Lumentum Holdings, Coherent, And Echostar Set To Join S&P 500
March 6 (Reuters) - Coherent Corp COHR.N: S&P DOW JONES INDICES: VERTIV HOLDINGS, LUMENTUM HOLDINGS, COHERENT, AND ECHOSTAR SET TO JOIN S&P 500 Further company coverage: COHR.N ((Reuters.Briefs@thomsonreuters.com;))