In this segment from Monday's Investor Beat, host Chris Hill and Motley Fool analysts Jason Moser and Taylor Muckerman take a look at four stocks moving on the market today.

Shares of Lifelock (NYSE:LOCK) are falling today after the company disclosed that whistle-blowers have talked to the Federal Trade Commission regarding the company's marketing practices. The Container Store (NYSE:TCS) also dropped today on news of a downgrade to underperform by Merrill Lynch. Humana (NYSE:HUM) has hit an all-time high after proposed Medicare cuts were lower than originally expected. And shares of 3D Systems (NYSE:DDD) fell today, after they, too, were downgraded by Merrill Lynch. The accompanying report posited that the company's organic growth rate would peak in 2014.

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Chris Hill has no position in any stocks mentioned. Jason Moser has no position in any stocks mentioned. Taylor Muckerman has no position in any stocks mentioned. The Motley Fool recommends 3D Systems, LifeLock, and The Container Store Group. The Motley Fool owns shares of 3D Systems. Try any of our Foolish newsletter services free for 30 days. We Fools may not all hold the same opinions, but we all believe that considering a diverse range of insights makes us better investors. The Motley Fool has a disclosure policy.