Vanguard

While the value of broad diversification becomes evident over 15 to 20 years, its virtues will often be noticeable even over shorter time frames.

The firm pulled in $148 billion in new client money during the first six months of 2016, surpassing its previous first-half record of $140 billion set last year, a spokesman said.

Viewing these services only as a threat may mean a firm is selling clients short.

Viewing these services only as a threat may mean a firm is selling clients short.

Fixed income has posted steady returns in these markets, while once high-flying equities have come crashing down.

Now is the time to prepare your clients to toughen up (and yourself, too).

Bill McNabb declined to speculate how low fees may go at his firm, which has the majority of its assets in passive funds.

A behavioral index fund is one investment option that is sorely missing from the marketplace, says Allan S. Roth of Wealth Logic.

Previous investors were happy to let a Canadian firm be the sole investor, says Bill Harris, CEO of Personal Capital.

Funds targeting the industry's youngest retirement investors often take the most aggressive allocation strategies – which had the best five-year returns?

When retirement is still nearly two decades off, which funds posted the best five-year returns?

Which funds that are approaching their target year have had the best five-year returns?