The S&P 500 index (SPX) has experienced a notable rally, gaining 10.4% over the last nine trading sessions, marking its best performance since April 2020. On May 1, the SPX rose by 1.45%, while the SPDR S&P 500 ETF Trust (SPY) increased by 0.3% on May 2. This upward momentum highlights a strong recovery in the equity market during this period.