“Societe Generale looked at the impact of ‘high ESG controversy’ events on stock performance, and found that two thirds of the time shares underperformed the broader market by an average of 12% over the subsequent 2 years.”

[COMMENTARY]The warning for investors is that they should avoid investing in such companies where possible. Good ESG analysis can frequently alert us to negative controversies that can be so damaging to stock performance.
Stock performance study shows companies should take environmental and social factors seriously, by Pippa Stevens, February 7, 2020, CNBC, USA.