I'm an investor nearing retirement. How should I be thinking right now?

The stock market has been a bit of a roller coaster over the past month. For stock investors who don't need their money now, perhaps it’s no big deal. But if you're eyeing retirement in the near term, what questions should you be asking yourself? We'll discuss with Pam Krueger, host of the PBS personal finance show, “MoneyTrack.” Plus: why Starbucks is letting an algorithm decide the order in which drinks get made.