In recent trading, the S&P 500 and Nasdaq have experienced notable gains, primarily driven by encouraging inflation data and optimism surrounding US-China trade relations. The S&P 500 has managed to erase its losses for the year, buoyed by a tech rally led by Nvidia. Meanwhile, the Dow Jones saw a slight decline due to a significant drop in UnitedHealth shares. Global markets have reacted positively to slower inflation rates, with the CPI showing levels not seen in years. Despite mixed performance across indexes, the overall sentiment remains optimistic as investors welcome progress in trade negotiations.