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Policymakers don't want to tank the stock market

A version of this story first appeared on TKer.co

Stocks surged after election results came in and the major news outlets declared former President Donald Trump the winner.

At least some of the rally can be explained by the removal of election uncertainty.

At the same time, the strength of the market response has arguably been at odds with what many economists consider the prospect of worse economic policies under President-elect Trump.

Maybe it’s traders and investors betting that policies bad for the market won’t actually be implemented. After all, what president would want to be affiliated with wealth destruction caused by falling stock prices?

This is an idea that was floated by Bloomberg’s Joe Weisenthal in Thursday’s “Odd Lots” newsletter:

Whereas bond market vigilantes are characterized by what they want to avoid (inflation), stock market vigilantes actually want something: higher profits. And also the higher the profits the better. Furthermore, the stock market is an important driver of wealth for millions of American households, and that also means an important driver of wealth for millions of American voters. When the stock market is down, people feel bad. When it’s up people feel good. If you’re an American politician (or President specifically), you’re forced to be sensitive to this in a very direct way if you want to be elected. It’s not really the same with bonds. The policy-markets nexus is just tighter with stocks..

While there are many aspects of the economy (like inflation and employment) that can be tricky to define and measure, stock prices are very unambiguous. People’s investment portfolio values are regularly updated down to the penny.

I’d add that those voters with money in the stock market include the many billionaires with whom the incoming president has gotten cozy. And much of these billionaires’ wealth is tied up in the stock market.

Republican presidential nominee former President Donald Trump speaks at an election results watch party as his commanding victory over Kamala Harris is apparent on Wednesday, Nov. 6, 2024, in West Palm Beach, Fla. (AP Photo/Ted Shaffrey)
Republican presidential nominee former President Donald Trump speaks at an election results watch party as his commanding victory over Kamala Harris is apparent on Wednesday, Nov. 6, 2024, in West Palm Beach, Fla. (AP Photo/Ted Shaffrey) · ASSOCIATED PRESS

Assuming the president does not want to be associated with destroying the investor class’ wealth, this means his administration will likely think twice about going all-in on policies that could prove costly to the companies in the stock market. More from Joe:

This probably puts a constraint on populist, anti-market interventions. You saw this when the trade war with China started heating up under the first Trump administration, and there were days when the market’s reaction was sharply negative to the headlines. Those tariffs didn’t have a massive economic impact, and they didn’t have a massive market impact. But it seems reasonable to think about what a much more aggressive tariff regime would have on equities.