US stock futures took a hit after Israel launched a significant airstrike on Iran. S&P 500 futures declined by approximately 1.6%. The immediate market reaction underscores how sensitive the stock index is to geopolitical tensions that could disrupt global stability. Investors are on high alert as this situation develops further. The potential for increased volatility looms large, making it essential for market participants to stay informed and make data-driven decisions moving forward. How will this tension impact market trends in the weeks to come?