Retirements spike again as stock market booms

Data: St. Louis Federal Reserve. Chart: Axios VisualsHuge numbers of Americans are leaving the workplace in a surprise second wave of the post-COVID retirement boom.Why it matters: An aging country — combined with a booming stock market and a nudge from return-to-office policies — means more working stiffs are preparing to exit the stage.What's happening: The U.S. has about 2.7…