(4-traders.com) LPL Financial confirmed industry speculation on Tuesday, saying it has bought National Planning Holdings' four broker-dealers: National Planning Corp., Invest Financial, Investment Centers of America and SII Investments. While LPL has about 14,300 advisors and $540 billion in assets, the four NPH broker-dealers have about 3,200 advisors with...http://www.4-traders.com/LPL-FINANCIAL-HOLDINGS-IN-12230347/news/LPL-Financial-Buys-4-NPH-Broker-Dealers-24955182/