Amherst Pierpont: Santander to buy Amherst in US fixed-income push

Bloomberg Banco Santander SA's US unit agreed to buy Amherst Pierpont Securities in a deal that gives Spain's biggest bank a greater presence in the fixed-income trading business that's been a boon to Wall Street rivals over the past year. Santander Holdings USA is acquiring the independent broker-dealer through a $600 million takeover of its ...