Historically, Trump's statements on supporting domestic industries have led to increased market confidence and a subsequent boost in stock prices. The auto industry, in particular, has been a focus of Trump's economic policies, and his claim that automakers want to return to Michigan could indicate a positive outlook for the sector. This could lead to increased investment in US auto stocks, such as General Motors and Ford, as investors anticipate potential benefits from Trump's policies. Furthermore, the mention of tariff policy may suggest that Trump is committed to protecting US industries, which could lead to increased market volatility but also potentially higher stock prices in the short term. However, it's essential to consider the long-term implications of such policies on international trade and the overall economy.