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CBS, Warnermedia, Viacom pull e-cigarette ads

CBS, AT&T's Warner Media and Viacom are all taking a stand against e-cigarettes. All 3 major media companies are no longer running ads for vaping products. In the past two weeks, Market leader Juul spent more than 2-point-2 million dollars for more than 900 airings of its ads, across multiple networks. Yahoo Finance's YFi AM discusses.