Stock futures dropped significantly as October began on a rocky note, predominantly influenced by escalating tensions between Iran and Israel. The Dow Jones led the decline in US futures as investor caution increased amid fears of a broader conflict. Oil prices surged, climbing more than 5% following Iran's missile attacks on Israel, prompting experts to warn of potential rises in US gas prices. Meanwhile, mixed trends were observed in world shares, with Asian markets showing divergence and European stocks reacting to the volatility. Inflation concerns loom as financial markets navigate through this geopolitical crisis, with some analysts suggesting that the situation might only moderately impact the oil market in the longer term.