US investment bank JPMorgan expects the S&P500 index to surge to 3,900 points if US President Donald Trump is re-elected next week, calling such an outcome the most favourable for stock markets.
A rise to 3,900 would mark a 12.6% jump from Friday's closing level.
A clean sweep by Democrats would be "mostly neutral" for markets, JPM said in a note received on Monday, adding: "We see an 'orderly' Trump victory as the most favourable outcome for equities."
The odds of a "blue wave" have narrowed slightly since mid-October. Former vice president Joe Biden has a substantial lead in national opinion