Historically, Trump's visits to foreign countries have had varying effects on the stock market, depending on the context and any policy announcements made during the trip. In this case, the post does not provide any specific information about the purpose or goals of Trump's visit to Saudi Arabia, making it difficult to predict any significant impact on the stock market. However, given Saudi Arabia's significant role in the global oil market, any developments or announcements related to energy policy or international trade during Trump's visit could potentially affect the stock prices of energy companies or those with significant exposure to international trade. Overall, without more information, the impact of this post on the stock market is likely to be neutral. The visit may lead to discussions on trade, oil prices, and geopolitical relations, which could influence market sentiment, but for now, the effect remains uncertain.