Stocks Rally on De-Escalation Hopes as Oil Plunges

The stock market staged a strong rebound, driven by a sharp pullback in oil prices and renewed optimism around geopolitical developments. The S&P 500 rose 1.2%, while the Nasdaq Composite and Dow Jones Industrial Average each gained 1.4%, lifting the major averages off their recent lows.

Futures turned higher overnight after President Trump indicated that the U.S. and Iran had engaged in constructive discussions aimed at ending hostilities. The announcement included a temporary five-day pause on strikes targeting Iranian energy infrastructure, fueling hopes for a diplomatic resolution. Oil prices responded decisively, plunging more than 10% on the day, which in turn provided a powerful tailwind for equities.

The initial rally was strong enough to briefly push the S&P 500 and Dow back above their 200-day moving averages. However, those gains proved difficult to sustain. Reports later in the session suggested that Iranian officials denied any active negotiations, injecting a degree of skepticism into the narrative and tempering enthusiasm. By the close, the major indices had slipped back below key technical levels.

Even so, the shift in tone from Washington toward diplomacy was enough to spark a broad “risk-on” move. All eleven S&P 500 sectors finished at or above unchanged levels, underscoring the breadth of the advance.

Cyclical and growth-oriented sectors led the charge. The consumer discretionary sector surged 2.5%, with travel-related names benefiting from the sharp decline in fuel costs. Norwegian Cruise Line was among the standout performers, while Tesla added to the strength in mega-cap stocks.

Technology also played a key leadership role. The information technology sector climbed 1.5%, supported by gains in software and AI-related names. Palantir Technologies was a notable outperformer, helping lift the broader software space.

Semiconductors opened with particularly strong momentum, with the PHLX Semiconductor Index up more than 3% early in the session. Gains moderated into the close, finishing up 1.3%, as weakness in names like Micron capped upside.

Interestingly, the energy sector still managed to post a 1.1% gain despite the steep drop in crude prices, suggesting underlying strength after its recent outperformance. Meanwhile, defensive sectors lagged as risk appetite improved, with health care finishing flat and consumer staples posting only a modest 0.4% gain.

Market breadth extended beyond large caps. The Russell 2000 jumped 2.3%, and the S&P MidCap 400 gained 1.9%, reflecting a clear shift toward higher-beta assets.

In aggregate, the session highlighted how sensitive markets remain to geopolitical developments, particularly those tied to energy supply. The sharp decline in oil acted as a catalyst for a broad rally, but the inability of the major indices to reclaim their 200-day moving averages signals that conviction remains tentative. With conflicting headlines still emerging, investors are likely to remain highly reactive to any new signals regarding the trajectory of the conflict.

Our FTinvest 11 model portfolio rebounded strongly, gaining 2.16% to close at 938.39, recovering a portion of last week’s sharp losses. Despite the bounce, the portfolio remains below its all-time high of 1,039.51, though today’s move signals a potential stabilization after entering correction territory.