Stock Market Today: S&P 500, Dow Futures Gain As Trump Announces Deal With Iran—SpaceX, Tower Semiconduct

U.S. equity futures posted broad-based gains on Monday morning, with the S&P 500, Nasdaq 100, and Dow Jones Index all trading higher. This advance extends Friday's momentum and signals renewed risk appetite across institutional portfolios. The geopolitical catalyst—a reported deal with Iran announced by the Trump administration—appears to have reduced tail-risk premium and improved sentiment toward cyclical equities.

The Technology sector is the primary beneficiary, with semiconductor names like Tower Semiconductors (TSEM) and memory-chip plays such as Micron (MU) advancing in tandem with index futures. SpaceX-adjacent holdings and aerospace contractors also attract positive flows. The breadth of gains—spanning large-cap, growth, and defensive segments—suggests market internals remain constructive and not driven by narrow sector rotation.

Geopolitical risk normalization typically triggers a risk-on repricing: lower long-term volatility expectations, reduced safe-haven inflows to Treasuries, and renewed appetite for growth narratives. The Trump administration's diplomatic posture may also influence energy and industrial policy expectations, creating secondary effects across Materials and Industrials.

Sector implication: This rally reflects a classic risk-on environment where growth equities (Technology, Communication) outpace defensive plays. Monitor whether the deal holds and whether follow-through buying appears at the open; sustained index strength would validate a pivot away from defensive positioning into cyclical exposure.