The announcement of positive data on the effectiveness of the Moderna vaccine lifted the stock market. Investors responded optimistically to this pivotal news, driving stock prices higher. Market sentiment surged as hopes for a successful vaccine breakthrough grew stronger. The impact was felt across various sectors, with pharmaceutical companies experiencing a significant boost. Traders closely monitored the market dynamics, anticipating potential shifts in the coming days. The Moderna vaccine news provided a ray of hope amidst the economic uncertainty brought by the pandemic. Overall, the stock market reacted positively to this encouraging development, reflecting investor confidence in the vaccine's potential.