Central-bank tightening isn’t deterring investors from China, Korea, Mexico and others.

Only U.S. equity funds recorded outflows.

But U.S. bond funds took in less than others compared with previous weeks.

In a perfect world, the Fed would wait for inflation to hit 2 percent. It could raise the interest rate before then.

The oil sector’s best performers .

There are ways to access the asset class without investing directly in futures.