US stock markets declined following a Federal Reserve meeting, as investors reacted to the possibility of future interest rate increases. Concerns surrounding the potential for tighter monetary policy triggered sell-offs across major indices. The shift in sentiment was also influenced by ongoing uncertainties regarding the status of negotiations for a renewed nuclear agreement between the United States and Iran. Bond yields experienced an increase, indicating investor expectations for higher rates. Shares of SpaceX also saw a downturn, contributing to the overall market weakness. The Fed’s stance signals a potential shift away from its previously accommodative monetary policy, impacting investor confidence. This downturn reflects a broader market sensitivity to evolving economic conditions and geopolitical factors.