Global financial markets are reassessing the outlook for the US economy after Democrats secured control of Congress in the November 3 midterm elections, dealing a major setback to President Donald Trump and potentially complicating his economic agenda.

The election outcome initially unsettled investors, particularly those exposed to technology stocks, amid concerns that a Democratic-controlled Congress could push for tighter regulation of artificial intelligence (AI) companies and challenge some of the administration’s economic policies.

However, markets recovered on Wednesday. Reuters reported that MSCI’s All-World index rose 0.13 percent, while Europe’s STOXX 600 gained 0.5 per cent. US stock futures also rebounded after falling by as much as 2 per cent overnight.

The dollar weakened against major currencies, while the yield on the US 10-year Treasury fell three basis points to 4.92 per cent.

“Traders should reduced expectations of future rate hikes and worried that tighter AI-sector regulation could slow US growth, reducing the dollar’s relative attractiveness”. Stock market analysts said.

Democratic control of Congress could make it harder for Trump to push through major legislative changes during the final two years of his presidency.

Technology regulation is one area attracting attention. US technology companies have committed billions of dollars to artificial intelligence, data centres and semiconductor infrastructure. Increased congressional scrutiny could raise compliance costs and affect expectations for future earnings.

Tesla and SpaceX shares fell between 4.5 and 5 per cent on Europe’s Tradegate platform, reflecting some of the uncertainty surrounding the political shift.

Read also: Trump threatens vetoes as Democrats win control of Congress

However, not all investors view the outcome negatively. A divided government could limit sudden changes to taxation, spending and business regulation, potentially reducing policy uncertainty.

The challenge will be whether political disagreements produce greater stability or prolong uncertainty around government decisions.

The implications extend beyond the United States, particularly for emerging markets that depend on international capital flows.

US Treasury yields influence where global investors allocate their money. When American government bonds offer attractive returns, investors have less incentive to take risks in emerging markets.

A sustained decline in US yields could improve the relative appeal of Nigerian government securities and equities, provided domestic returns remain competitive.

Nigeria’s portfolio investment inflows increased to $7.09 billion in the second quarter of 2026, from $6.03 billion in the first quarter, according to the Central Bank of Nigeria.

A weaker dollar could also offer some relief to emerging-market currencies, including the naira. It could reduce the cost of dollar-denominated imports and improve the attractiveness of non-dollar assets.

However, the naira’s performance will still depend largely on domestic foreign-exchange supply, oil earnings, external reserves and investor confidence. A weaker dollar alone will not guarantee exchange-rate stability.

Oil market movements will also determine how much Nigeria benefits from changing global financial conditions.

Reuters reported that Brent crude fell 0.4 percent to $103.17 per barrel on Wednesday amid uncertainty surrounding geopolitical developments and potential supply disruptions.

Higher oil prices could support Nigeria’s foreign exchange earnings and government revenue, while a sustained decline could put pressure on both.

But attracting those funds will require more than favourable global conditions. Foreign exchange liquidity, exchange rate stability and confidence in the domestic investment environment will remain critical.

The Democrats’ victory has changed the political balance in Washington. Whether it creates an opportunity for markets such as Nigeria’s will depend on what follows.