Shares of Trump Media & Technology Group are on pace to extend their winning streak to four days, their longest since a four-day streak that ended June 26.

After Trump introduced Musk to the stage, the tech mogul enthusiastically jumped in the air several times while supporters cheered. Musk, who wore a black Make America Great Again cap, warned in his speech that "this will be the last election" if the former president does not win in November while urging people to vote.