Federal Reserve chair Jerome Powell is scheduled to speak at the central bank's annual Jackson Hole Symposium on Friday, an event that could be a major test of the stock market's post-"Liberation Day" rally.

August has been a volatile month for stocks as investors try to anticipate the Federal Reserve’s next move on interest rates. That’s why all eyes are on Jackson Hole, Wyoming, this week. On Friday, August 22,

Stocks start the week just shy of record highs, underpinned by a well-received corporate earnings season and hopes the Federal Reserve will soon start reducing official borrowing costs again. Investors are therefore keen that Friday’s keynote address by Fed Chair Jerome Powell at the Jackson Hole symposium will be suitably dovish.