Markets
8.1
S&P 500 rallies 4.12% to $658.00 on moderately heavy volume
The S&P 500 index (SPY) gained 4.12% to close at $658.00 with volume of 42.3M shares, indicating broad-based equity market strength. No underlying catalysts are specified in this data point, leaving the driver of the rally unclear. The magnitude of the single-day move warrants examination of concurrent economic data or policy announcements.