SHARES of Trump Media, Tesla, and domestic-focused small-cap companies surged on Wednesday as Donald Trump was elected U.S. president for the second time, fueling expectations of higher domestic growth.

Capping a remarkable comeback after four years, Trump's victory in the swing state of Wisconsin pushed him over the threshold required to win the White House.

Tesla jumped 15 percent as CEO Elon Musk has backed Trump throughout his electoral campaign. Trump has promised to make Musk head of a government efficiency commission.

Trump Media & Technology Group, in which the former president owns a majority stake, soared about 30%. From their all-time lows hit in late September, they have nearly tripled in value. His stake was last valued at about $5 billion.