Fidelity Investments' brokerage assets fell 9% to $1.78 trillion in the third quarter.

The Boston fund company, which had $1.4 trillion of assets in its investment management business as of Sept. 30., said Monday new asset inflows were down by more than half, to $18.4 billion, compared with last year's third quarter.

Other big U.S. brokerages, such as Charles Schwab Corp. and TD Ameritrade Holding Corp., also have been weakened during the financial crisis.

Subscribe Now

Access to authoritative analysis and perspective and our data-driven report series.

14-Day Free Trial

No credit card required. Complete access to articles, breaking news and industry data.