Vanguard, Nuveen, Goldman Win the Fight for Cash Flooding Muni FundsJul 23 2019, 5:30 PMJul 24 2019, 2:19 AMJuly 23 2019, 5:30 PMJuly 24 2019, 2:19 AM(Bloomberg) -- A handful of the biggest firms on Wall Street are landing the vast majority of cash pouring into the municipal-bond market.Disclaimer