Last week’s consumer and producer price data “revived [the] stickiness of inflation debate, he says. While jobless claims were subdued, a nonfarm payrolls report at the start of August showed the 3-month average at its weakest since 2010 when unemployment was 9%, he adds.

Jerome Powell has the ideal platform Friday to deliver a clear signal the Federal Reserve is about to resume cutting interest rates. But the economy isn’t giving him an equally clear signal that now is the time.

This week's set-piece event is the Jackson Hole central-bank gathering in Wyoming, slated for Thursday through Saturday. Investors will be glued to Federal Reserve Chair Jerome Powell's speech, hoping for any insight into whether the central bank might kick off interest-rate cuts in September.