Why Wall Street Legend Burton Malkiel is not a fan of ESG investing

Burton Malkiel, author of 'A Random Walk Down Wall Street,' joins 'The Exchange' to discuss index investing as well as active versus passive investing. For access to live and exclusive video from CNBC subscribe to CNBC PRO: cnb.cx/2NGeIvi
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[@sbtopjosh4098]

I walked out from his class

[@keanumoore]

Why?