The Dow Jones Industrials soared 333.83 points higher, or 1%, to conclude Tuesday at 33,160.83, for its third straight gain.
The S&P 500 took on 21.31 points to 3,828.11
The NASDAQ beat breakeven by 51.68 points to 10,616.20.
Market participants are expecting Republicans to take back the House of Representatives and possibly win the Senate as well when results start rolling in Tuesday night.
Investors tend to like the notion of gridlock in Washington with a divided Congress and President because it will limit government spending, new taxes and regulations.
SolarEdge Technologies was the leading outperformer in the broader market index, up 19% after reporting record revenue in its most recent quarter.
Elsewhere, shares of Kohl’s jumped 7% after the department store chain announced the departure of its CEO next month.
Meanwhile, shares of Lyft dropped nearly 23% on disappointing quarterly results. Take-Two Interactive fell back 13.7% and TripAdvisor slumped 17.3%, after reporting earnings.
Prices for the 10-year Treasury climbed, lowering yields to 4.14% from Monday’s 4.22%. Treasury prices and yields move in opposite directions.
Oil prices stumbled $2.62 to $89.17 U.S. a barrel.
Gold prices gained $34.80 to $1,715.30 U.S. an ounce.