Chaos hit the overnight borrowing market this week, underscoring cracks in a key funding market for Wall Street that could ripple through the real economy without a more permanent patch.

Bond-market guru Jeff Gundlach says he’s watching a few areas of the market to gauge whether the current bullish dynamic is starting to unravel in earnest. On Wednesday afternoon, during…

U.S. Treasury yields fall Friday after a China delegation cut their visit short to the U.S., underlining the potential for trade tensions to flare up again.

Also: What not to do in the wake of the Federal Reserve’s latest interest-rate cut.

The Vanguard Group is still testing the new platform.

Experts from institutional investors to those who work with individual households to achieve financial goals say that most investors should decide on the broad outlines of the assets they want…