Wall Street initially reacted positively to former President Donald Trump’s strong debate performance against President Biden, but the S&P 500 experienced a rise and then a fall on Friday. Debate Impact on the Market During the debate, Biden’s early stumble led to a 0.2% rise in S&P 500 futures, reflecting investors’ belief that a Trump win could be beneficial. A favorable inflation report further boosted this sentiment, leading to record highs for the S&P 500 and Nasdaq before a decline at day’s end. Biden’s poor performance raised doubts about his candidacy, fueling speculation that Trump could win the presidency and gain Republican Congressional support. Sectoral Reactions Financial and oil sectors rose on the prospect of deeper corporate tax cuts under Trump, while concerns over budget deficits caused Treasury yields to rise. Renewable energy and healthcare stocks fell due to Trump’s criticism of Biden’s policies. Humana shares rose, anticipating better treatment for Me...