Batteries a Big Opportunity for Graphite Industry: Darby

Valence Industries CEO Chris Darby discusses the rising demand for graphite with Bloomberg's Rishaad Salamat on "Trending Business." (Source: Bloomberg)

Full Show: Bloomberg Businessweek (05/26)
47:30 - Bloomberg Television takes you behind the scenes of our award-winning magazine "Bloomberg Businessweek." Hosts Carol Massar and Oliver Renick talk with the writers who break news on a weekly basis. (Source: Bloomberg)
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