Oil prices climbed sharply on Sunday as fighting between the United States and Iran escalated in the Middle East. Meanwhile, U.S. stock-index futures remained mostly unchanged as investors looked ahead to a busy week of corporate earnings reports, particularly from major technology companies. The surge in crude oil reflects growing concerns about potential supply disruptions from the region, which is a key producer of the world's oil. Historical patterns show that geopolitical tensions in the Middle East often lead to higher oil prices due to fears of production cuts or shipping disruptions. Despite the jump in energy costs, broader stock market futures were flat, suggesting that investors are weighing the impact of higher oil prices against expectations for corporate profits. This week's earnings from tech giants are expected to provide further direction for markets. Analysts note that while higher oil prices can hurt consumers and businesses by raising transportation and production costs, the current situation is still being monitored. The conflict between the U.S. and Iran has been intensifying, with both sides engaging in military actions. The situation remains fluid, and markets are likely to react to any new developments. For now, oil prices have risen, but stock futures show little movement, indicating caution among traders.