John Ameriks, head of Vanguard’s Quantitative Equity Group, on the future of rules-based investing, where advisors add value, and why being quantitative just for the sake of it is not enough.

The best manager of bonds in America refuses to pay full price.

Motivated more by purpose than profits, “Survivor” clients may resist logical advice about how to curb stock market losses.

How to determine whether impact investing meets clients’ personal and financial goals.

In the week just passed, the market enjoyed a brisk technical sell-off, abetted perhaps by a better balance of economic data than has been the case.

“European stocks currently offer more value for money than American stocks,” Finland's Timo Ritakallio says.

The uptick in volatility looms over the bitcoin market’s legitimization.