In the wake of last week's stock market whirl, mutual fund companies have updated their telephone hot lines for jittery investors and financial advisers, offering soothing words from portfolio managers.

At New York-based OppenheimerFunds Inc., for instance, Bob Doll, director of equity investments, is telling listeners on a prerecorded message to keep portfolios diversified, stay in the market, and not to panic.

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.