The first presidential debate between Vice President Kamala Harris and former President Donald Trump has sparked significant reactions and market movements. Harris appeared more prepared, receiving endorsements like Taylor Swift’s, while Trump faced criticism for his debate performance. Betting markets showed a narrow lead for Harris post-debate, though Trump maintained a lead on Polymarket. Both candidates faced scrutiny for not deeply addressing policies, particularly the economy. The debate impacted financial markets, with Trump Media's shares plummeting over 17%, while clean energy stocks rose. Additionally, Trump-themed PolitiFi memecoins experienced a sharp decline following the debate.