A wealthy Southern enclave once known as a playground for retirees and snowbirds is transforming into a growing technology and financial hub, drawing comparisons to Silicon Valley as businesses, Wall Street executives and entrepreneurs move in.Palm Beach County, Florida, is attracting new attention as wealthy Americans seek alternatives to high-tax states like New York and California."Palm Beach has changed from a place where people come to retire to a place that people come to build," luxury real estate expert Margit Brandt told Fox News Digital. "There's been countless CEOs and major heads o...