Palo Alto Networks jumped 6.3% overnight after the cybersecurity company beat Wall Street’s sales and profit forecasts. The California company also announced the retirement of Nir Zuk, its founder, chief technology officer and board member.

The investing world will turn its attention to northwestern Wyoming in the week ahead, with Chair Jerome Powell set to give his most important policy speech of the

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 hints on whether the central bank might kick off interest-rate cuts in September.