The Dow Jones Industrial Average celebrated a record closing high after Federal Reserve Chair Jerome Powell's speech at Jackson Hole, creating a buzz on Wall Street. Key takeaways:

• Dramatic 800-point surge in the Dow.
• Powell hints at possible interest rate cuts to counter rising economic risks.
• Market reacts positively, with S&P 500 and Nasdaq also climbing.
• Analysts predict September rate cuts, driving investor enthusiasm.

Here's the full scoop.