Global financial markets rallied in rare unison after US midterm election results were settled: US stock index futures jumped, commodities including crude oil and copper strengthened, emerging-market currencies rebounded broadly, and even recently pressured cryptocurrencies posted notable gains. The across-asset advance has investors asking whether the rally is a short-term release of sentiment or the start of a trend reversal.
The core reason for the market reaction is that the election results removed a key uncertainty: which party controls Congress. With political gridlock now a given, investors tend to expect a lower probability of sharp policy swings, and risk appetite has recovered accordingly. Whether that optimism lasts, however, depends on the actual direction of policy and the support of economic fundamentals.
Divided Congress Has Historically Shifted Policy to the Executive
History suggests that when a president loses a legislative advantage in Congress, the response is not simply to scale back policy but to lean more on executive power, national emergency declarations and existing presidential authorities. The 2019 government shutdown and border-wall dispute is a typical case: after Democrats won the House, the Trump administration turned to executive means to obtain wall funding, and trade friction did not end because of congressional constraints.
The White House has already studied executive measures in the event Democrats control Congress, covering tariffs, immigration, federal funding and budget arrangements. Trump himself has even said he could become a president who frequently exercises vetoes. That means political gridlock may not produce a policy vacuum; it could instead spur more aggressive executive action that shifts conflict toward Congress.
Five Focal Areas: Policy Paths Diverge
On Iran, the risk of a hot war has risen somewhat. With Democrats controlling Congress, war oversight, military funding and hearings would raise the political cost of continuing a war, so if a decision to use force is made, the current window may be more critical. If no action is taken this week, policy could shift toward a ceasefire and negotiations to ease oil-price and inflation pressure and to lay groundwork for the 2028 election.
In AI, Trump’s supportive stance during his term will not easily change, but expansion is unlikely. With Democrats controlling the House, AI companies could face stricter scrutiny over data security, market monopoly, data-center energy consumption and federal subsidies. Texas and other areas where AI data centers are concentrated deserve particular attention: their political map has flipped blue, and related investment risks are rising.
In crypto, executive support will not disappear immediately, but looser legislation is basically out of reach. Trump’s second term pushed the GENIUS stablecoin bill into law in July 2025, and digital-asset market-structure legislation is also advancing. With Democrats controlling both chambers, however, legislative review will add new bargaining, and crypto businesses tied to the Trump family could also face stronger congressional scrutiny. Oddly, crypto rallied across the board after the election results, a move that may still be mainly tied to US Treasury yields, suggesting some market anchoring bias: in fact, the election outcome is clearly unfavorable to the industry.
On tariffs, a comprehensive trade policy may be blocked, but use of special tools could intensify. In February 2026, the US Supreme Court rejected some tariff measures the Trump administration implemented under IEEPA, but the administration then turned to other trade-law tools. Section 301 and Section 232 can still be used to impose tariffs if investigation procedures are met, and the White House has also studied new tariff measures on goods such as critical minerals and wind turbines.
The Logic Behind the Rally, and Its Weak Spots
The direct driver of this global rally is a recovery in risk appetite as political uncertainty falls. Investors expect a divided Congress to constrain extreme policies, reducing tail risk. At the same time, a weaker dollar and lower US Treasury yields have given emerging markets and commodities room to breathe.
That optimism is clearly fragile. On one hand, expansion of executive power could bring new policy shocks, and use of tariff tools could even worsen trade tensions; on the other, expectations of tighter AI and crypto regulation have not yet been fully priced in by the market. Once policy reality diverges from expectations, market volatility will be unavoidable.
Can the Rally Last?
In the short term, the recovery in market sentiment may continue for several weeks, but the medium-term path depends on two key variables: the actual strength and scope of White House executive measures, and whether economic data can support valuations of risk assets. If policy conflict escalates or the economy shows signs of slowing, the current rally could reverse quickly.
For investors, while enjoying the short-term rebound, it is important to watch the contest between Congress and the White House and substantive progress on tariffs, regulation and other areas. Markets under political gridlock often switch quickly between optimism and worry; caution may matter more than chasing gains.
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