Free is a four-letter word, and the financial services industry can count as well as anyone. After ending its platform fees five years ago with the wind-down of ETF OneSource, Charles Schwab is poised to reimplement them next year, Ignites reported last month. That follows moves by Fidelity, and other big broker-dealers like Morgan Stanley and LPL, to charge issuers for shelf space on their platforms. It’s not worrying large asset managers, but the fees could put pressure on small and new players to make ...