Futures for the Dow Jones saw a decline in the tech-heavy Nasdaq composite on Monday, with SpaceX shares experiencing a significant drop. Major companies like Amazon, Alphabet, and Nvidia also faced substantial losses. This led to a sell-off in tech stocks, impacting the market. The post highlighted the downward trend in Dow Jones Futures due to the plunge in SpaceX stocks and the heavy sell-off experienced by Amazon, Alphabet, and Nvidia.