SPACs: New Wall Street investment craze is attracting celebrities like Serena Williams and Jay-Z

Special purpose acquisition companies (SPACs) have taken over Wall Street and Silicon Valley. It works like a fast track for startups to get in the stock market and get all the money that comes with being a public company. Now celebrities like tennis star Serena Williams, musician Jay-Z, and former House Speaker Paul Ryan are creating their own SPACs.