The European session saw a broadly cautious tone, with major indices like the DAX trading lower and the FTSE 100 registering modest declines. Geopolitical developments, specifically President Trump's indefinite extension of the Iran ceasefire while maintaining the naval blockade, created a mixed environment. While some initial relief prevented a market crash, the underlying uncertainty kept investors wary. Oil prices, particularly Brent, remained highly volatile, fluctuating around the $100/barrel mark, reflecting the ongoing supply concerns. The US dollar showed broad strength against major currencies, pressuring gold and most forex pairs. Positive UK economic data, including resilient CBI Industrial Trends and in-line CPI, offered some domestic support to sterling but was largely overshadowed by the surging greenback.

Heading into the US open, futures for the S&P 500 and Dow are indicating a relatively flat start, suggesting a digestion of the European session's events and the geopolitical headlines. The Nasdaq 100, however, is showing a slight bearish tilt. Crypto markets, surprisingly, decoupled from this cautious sentiment, with Bitcoin and Ethereum posting significant rallies. The resilient US March retail sales data, which beat expectations, is likely providing a foundational layer of support for US equities, hinting at continued consumer strength amidst global headwinds. The market will be looking for a clearer direction once the US cash equity session begins, with traders weighing the geopolitical risks against domestic economic resilience.

For the remainder of the US session, market participants will be keenly focused on any further developments regarding the Iran ceasefire and naval blockade. Geopolitical news stemming from this situation could quickly trigger market volatility in oil, commodities, and risk assets. On the economic front, the US Existing Home Sales data will be released shortly, providing an updated look at the housing sector's health, though its impact is likely to be overshadowed by broader macro themes. Any unscheduled remarks from Federal Reserve officials could also spark movements, especially concerning inflation or future monetary policy trajectory. Earnings reports, if any are scheduled for after the extended market close, will set the tone for tomorrow. The interplay between a strong US dollar and its impact on corporate earnings for multinational companies will also be a key watch factor for investors.