Historically, Trump's positive statements about the US economy have led to increased market confidence and a bullish sentiment. The mention of the US having its best May in 30 years may lead to increased investor optimism, particularly in industries such as manufacturing, construction, and finance. However, it is essential to consider the potential for overconfidence and the impact of external factors such as international trade and monetary policy. The post's focus on a strong US economy may also lead to a surge in nationalist sentiment, which could influence trade policies and affect multinational corporations. Overall, the post is likely to have a positive impact on the stock market, at least in the short term, as investors react to the upbeat tone and perceived economic strength.