Fidelity FundsNetwork has laid down the gauntlet to rivals by pledging to disclose payments it receives from fund groups by the end of the month.
Hargreaves Lansdown said the FSA's proposed rule changes to platforms will have "no material impact" on its business as its shares fell sharply in early trading.
Hargreaves Lansdown has been criticised in a national paper for not fully disclosing its financial arrangements with fund managers.
Jupiter income manager Tony Nutt has made the Sunday Times Rich List for the first time with a fortune of £76m.
Shares in Hargreaves Lansdown rose in early trading after it gathered a record £1.16bn of net new assets during a quarter which saw it enter the FTSE 100 for the first time.
Insynergy Investment Management has appointed Eric Bateman as managing director of the firm's new international arm.
Hargreaves Lansdown posted a 40% jump in operating profit in the final six months of 2010, but says the figure would have been "significantly higher" but for a £3m FSCS bill to help compensate customers of failed investment businesses.
Hargreaves Lansdown has added Liontrust's Special Situations fund to its Wealth 150 list of favourite funds, in the second win this week for the £1.2bn manager.
Hargreaves Lansdown has questioned whether cuts to fund charges post RDR will be as widespread as the FSA forecast in its recent Platform Consultation paper, as providers struggle to cope with IFA exits from the market.
Hargreaves Lansdown co-founder Stephen Lansdown is creating a new green private equity fund.