Tesla, Nike, and Nasdaq experienced declines as tensions in the Middle East ignited a risk-off sentiment among investors. The ongoing fighting in the region led to a decrease in market confidence, causing these leading companies to face losses in their stock prices. The uncertainty surrounding the situation prompted a shift towards safer assets, with investors opting for risk-averse strategies. As a result, Tesla, Nike, and Nasdaq were among the companies that bore the brunt of the market downturn, highlighting the impact of geopolitical events on global financial markets.