BlackRock has reduced the ongoing charges figure (OCF) on five of its most popular index funds with nearly £16bn in assets under management.
Fixed income funds saw their first net outflows since January 2014 last month, according to the Investment Association's (IA) latest figures.
European equity funds saw record net retail sales in March according to The Investment Association (IA)'s latest sales figures, but UK All Companies suffered record outflows as investors continued to turn their backs on UK equities.
Some 30% of money held in the IMA's two main UK equity sectors is stuck in closet trackers that are losing investors money, according to new research by Premier Asset Management.
Vanguard has expanded its exchange-traded fund range with four funds offering exposure to the UK, European and developed world equity markets.
Fund buyers have had a tough time choosing funds this year, as some of the best known portfolios in the UK have gone through manager changes.
Investors have been warned against buying into Chinese tracker funds in the near term as growing interest prompts some groups to close products to new investment.
The price war in the passive space continues to rage but some providers refuse to play ball, offering trackers with fees as steep as active funds.
Passive fund providers are under renewed pressure to reduce the cost of investing in their funds, following a move by Fidelity Worldwide Investments to cut fees on its index tracker range.