US stock market stages massive rally today, adds $1.5 trillion: 5 reasons why Dow Jones, S&P 500 and Nasdaq surge as AMD and Tesla jump while Nvidia sinks

US stock market rally today: Wall Street added $1.5 trillion in market value on Monday as technology and semiconductor stocks recovered from last week's sell-off. The Dow Jones jumped more than 1,000 points, the S&P 500 gained 2.17%, and the Nasdaq rose 2.51%. AMD and Tesla led major stock gains, but Nvidia fell nearly 5%