Market Summary: What happened yesterday and what awaits us today, April 21:

U.S. equities edged lower on Monday, as a sharp surge in oil prices reignited geopolitical anxiety and snapped the market’s recent momentum.

The Nasdaq Composite fell 0.3%, ending a 14-session winning streak, while the S&P 500 slipped 0.2% and the Dow Jones Industrial Average dipped 0.1%. The pullback follows a strong prior week, where easing tensions had helped lift sentiment across risk assets.

That calm proved short-lived. Over the weekend, tensions between the U.S. and Iran escalated again, with renewed threats around the Strait of Hormuz—one of the world’s most critical oil transit routes—raising fears of supply disruption. Reports of targeted shipping activity and retaliatory moves between the two sides added to market unease, while rhetoric from Washington signalled a hardening stance ahead of potential negotiations.

Energy markets reacted immediately. West Texas Intermediate crude jumped 5.7% to $88.60 a barrel, while Brent crude rose 5.6% to $95.48, reflecting heightened concern over global supply flows.

Elsewhere, the U.S. dollar index edged down 0.1% to 98.04, while 10-year Treasury yields held steady near 4.25%, suggesting a market still weighing risk without fully rotating into safe havens. Bitcoin recovered from intraday lows to trade around $76,300, extending its recent positive momentum, while gold slipped 1% to approximately $4,830 an ounce.

On the equity front, technology stocks led the decline. Tesla dropped 2% ahead of its upcoming earnings release, contributing to broader weakness in the sector. In contrast, Marvell Technology surged 6% to a record high on reports of potential collaboration with a major tech player on custom AI chips.

Corporate activity also drove outsized moves. TopBuild soared 19% after agreeing to a $17 billion acquisition by QXO, while AST SpaceMobile fell 5% following news tied to a rival satellite deployment misstep.

Market participants are increasingly focused not just on events, but on the messaging surrounding them. As one investment director noted, the narrative itself has become a key driver of volatility, with conflicting signals from global powers amplifying short-term market swings.

Market Outlook

Markets are likely to remain highly reactive in the near term, with geopolitical developments—particularly around the Strait of Hormuz—acting as the primary catalyst.

Sustained strength in oil prices could weigh further on equities, especially in energy-sensitive sectors such as transport and manufacturing. However, any signs of diplomatic progress or de-escalation could trigger a swift rebound, given the market’s recent resilience.

For now, volatility remains the defining theme, and traders will be watching both headlines and price action closely as the session unfolds.