|Day's range||15,200.59 - 15,341.63|
|52-week range||11,831.04 - 16,726.95|
The S&P 500 is arguably the most widely followed index. The index is weighted by market cap, which means that the very biggest stocks have a more significant impact than others. The NYSE Composite Index isn't followed as much as the S&P 500 is.