A hedge fund has reportedly cut Juul's valuation by more than a third as vaping scrutiny heats up

Hedge fund Darsana Capital Partners has reportedly cut the valuation of e-cigarette maker Juul Labs by more than a third. 
The firm now values Juul at $24 billion, down from its peak valuation of $38 billion, according to a report from the Wall Street Journal. 
Juul's business has come under increased scrutiny in recent months as the reported number of vaping-related illnesses and deaths continues to rise. 
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