(FILES) A television station broadcasts US Federal Reserve Chair Chair Jerome Powell speaking in Jackson Hole, Wyoming, on the floor of the New York Stock Exchange (NYSE) in New York on August 23, 2024. US Federal Reserve Chair Kevin Warsh will have to soothe investors frazzled by his cryptic communication style in a key speech on August 28, analysts say, or risk having his leadership undercut by other policymakers filling the void. (Photo by ANGELA WEISS / AFP via Getty Images)