Small-cap stocks rallied last week and stand to benefit from heightened protectionism.
The chance of either party sweeping the presidency and both houses of Congress is considered low.
Escalating tensions in the Middle East sent shares of weapons and plane makers to records last week.
There are signs that market unrest is mounting as the debate approaches.
Goldman strategists estimate that profits could shift 5% to 10% depending on how policies are enacted.
Industrials earnings for the second quarter have been mixed so far
Traders look at the possible winning and losing investments if a Donald Trump re-election comes to pass.
The small-capitalization Russell 2000 Index is up 10% in the past five sessions.
History shows that even a nail-bitingly close contest will not necessarily be bad for equities.
Traders are already preparing for the risk of stock-market swings around the November vote