On Monday, the Nasdaq composite, primarily composed of tech stocks, experienced a significant decline, with SpaceX stock taking a major hit. This led to notable losses for key players in the tech industry, including Amazon, Alphabet, and Nvidia. The downturn in the market was reflected in the trading of Dow Jones Futures, indicating a challenging day for tech stocks. The decline in SpaceX stock had a notable impact on the overall performance of these companies, leading to a sell-off in the market.