S&P 500 ends sharply higher, Nvidia and Tesla rally | Reuters
1. NVDA gained over 3% due to easing tariff fears. 2. S&P 500 and Nasdaq rose, boosted by tech stocks. 3. Tariff uncertainty may affect economic growth and corporate profits. 4. Earnings for S&P 500 are projected to grow 10.5% in 2025. 5. Market sentiment improves as investors respond to tariff news.