Technology stocks accounted for about 79% of the gain, with Microsoft and Nvidia among the companies highlighted in the earnings-season update.
The S&P 500's total market capitalization has increased by $1.75 trillion since second-quarter earnings season began on July 13. The technology sector contributed $1.39 trillion, or about 79% of the overall increase. Microsoft, identified by the ticker $MSFT, and Nvidia were also named in the update.