The post in question is a retweet from @lauramarks with no additional commentary from Donald Trump, making it challenging to discern a specific impact on the stock market. Historically, Trump's retweets without additional context have had minimal effect on market sentiment. The lack of substantial content in this post suggests that it will not significantly influence investor confidence or market volatility. However, considering Trump's history of using social media to express his views on various topics, including the economy and trade, any future tweets with more substantial content could potentially impact market confidence and volatility. For now, the neutral nature of this retweet does not indicate a shift in market sentiment.