Markets
8.1
S&P 500 rises 3.61% to $654.80 on elevated volume
The S&P 500 index gained 3.61% in a single session, closing at $654.80 with above-average trading volume of 20.4M shares. The magnitude of the single-day move suggests either broad market optimism or reaction to significant economic/policy news; underlying drivers are not specified in this data point.