Union talks often lead to uncertainty in the market, which can negatively impact stock prices. As Ford is directly involved in these talks, its stock price is likely to be affected in the short term.

As General Motors is directly involved in the union talks, the uncertainty surrounding these discussions is likely to negatively impact its stock price in the short term.

Stellantis, being directly involved in the union talks, is likely to see a negative impact on its stock price due to the market uncertainty these discussions create.