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Federal prosecutors conduct criminal probe of Juul: Wall Street Journal

Widespread e-cigarette usage among adolescents has ballooned into a national crisis, as an outbreak of vaping-related illnesses runs rampant throughout the country. Now, federal prosecutors have announced a criminal probe into Juul, the e-cigarette company at the center of the furor. Yahoo Finance's Adam Shapiro, Zack Guzman, Jared Blikre, and Heidi Chung discuss the latest.