Reddit users sent GameStop's stock price soaring while hedge funds lost billions betting against the video game retailer. What does this hyped-up market manipulation mean for markets? On Today's Show:Hannah Denham, national business reporter on The Washington Post's breaking news team, explains the day traders' impact on stock prices and hedge funds. Hosted by Simplecast, an AdsWizz company. See pcm.adswizz.com for information about our collection and use of personal data for advertising.