Households earning more than $100,000 made up 75% of the company’s market share gains in the fiscal third quarter, Walmart CEO Doug McMillon said on the company’s earnings call in November.

The investing world will turn its attention to northwestern Wyoming in the week ahead, with Federal Reserve Chair Jerome Powell set to give his most important policy speech of the year on Friday at the annual Jackson Hole Economic Symposium.

This week's set-piece event is the Jackson Hole central-bank gathering in Wyoming, slated for Thursday through Saturday. Investors will tune into Federal Reserve Chair Jerome Powell's speech for any h