Today's Money Question: Investing Nerd Andy Rosen joins Sean and Liz to help answer a listener's question about whether he should participate in his company's employee stock purchase plan, also known as an ESPP. He explains what an ESPP is, why it benefits companies to offer one, and tactics for employees to assess whether they should participate in one. The Nerds also talk about the risks involved with participating in an ESPP, how to plan for related taxes, and potential limitations on when employees can trade their stock.