Jehan El-Jourbagy has published Impact of Corporate Response to Controversial Presidential Statements or Policies in 18 DePaul Bus. & Com. L.J. 69. Below is an excerpt from the analysis section that may be of interest to BLPB readers. A version of the paper can be found on SSRN here.
With the possible exception of Tesla and Under Armour responding to the Paris Climate Agreement withdrawal, the data demonstrates that statements, both direct and more nuanced, and silence in regard to Presidential communications have little to no impact on share price. Instead, there are more clear markers, such as when a corporation announces layoffs or a new product, that show a clear dip or rise, but the responses to Presidential communications had a minimal impact.
Diversity and inclusivity are generally universal values for corporations and issuing a statement in opposition to the travel ban could be viewed as consistent with those values. The data, however, does not indicate a correlation between a public statement and share price. Moreover, the data does not reveal any marked difference between companies who issued statements and who remained silent, perhaps suggesting that company leaders may feel free to support or oppose the President without