New Delhi, Aug. 23 -- As Wall Street moves into the week ahead, Federal Reserve Chairman Kevin Warsh's speech at the Jackson Hole symposium is likely to be the main event for investors seeking greater clarity on the outlook for U.S. interest rates and the timing of any further increases.

Warsh is scheduled to speak at the Kansas City Fed's annual Jackson Hole symposium, which will be held from August 27 to August 29 and will feature several leading central bank officials from around the world.

On the economic front, Investors will closely monitor the latest U.S. PCE inflation data, as the Personal Consumption Expenditures index is the Federal Reserve's preferred measure of inflation.

Other key releases will include the second estimate ...