See blog post for more on top companies over time, https://stankrants.blogspot.com/2025/06/top-500-companies-with-time.html
It looks like Trump may have been booed a couple times for recommending vaccines. Either way, he stopped mentioning it pretty quick. Link here, https://youtu.be/eA306aNtvmk?si=zOT5In8-46G_4gmZ
Trump's Tesla White House Commercial seems to have increased Tesla sales among conservatives. The state of Texas provides decent evidence.
