Observatory · observe first
Norfolk Southern
NSC · United States · Rail Transportation · matched S&P 500 member. Follow its market-weight contribution.
Historical time machine
Historical observation
20182026
Universe weight
0.248%
12M weight contribution
+0.103 pp
3M weight contribution
-0.003 pp
12M price return
+32.4%
Share of matched S&P 500 members
Monthly observations through Dec 2019
Company price index
A separate dimension from market allocation
Historical observations
Most recent 24 observations at or before the selected month
| Month | Market cap | Universe weight | 12M weight change | 12M return | Above 6M weight average |
|---|---|---|---|---|---|
| Dec 2019 | $50.6bn | 0.248% | +0.103 pp | +32.4% | No |
| Nov 2019 | $50.5bn | 0.254% | +0.100 pp | +15.6% | No |
| Oct 2019 | $47.5bn | 0.247% | +0.092 pp | +11.1% | No |
| Sep 2019 | $47.3bn | 0.251% | +0.090 pp | +1.5% | No |
| Aug 2019 | $45.8bn | 0.249% | +0.092 pp | +2.1% | No |
| Jul 2019 | $50.3bn | 0.268% | -0.008 pp | +15.3% | No |
| Jun 2019 | $53.0bn | 0.286% | +0.027 pp | +34.6% | Yes |
| May 2019 | $51.9bn | 0.302% | +0.042 pp | +31.1% | Yes |
| Apr 2019 | $54.3bn | 0.302% | +0.053 pp | +45.0% | Yes |
| Mar 2019 | $50.0bn | 0.287% | +0.051 pp | +40.4% | Yes |
| Feb 2019 | $48.0bn | 0.278% | +0.041 pp | +31.5% | Yes |
| Jan 2019 | $45.7bn | 0.151% | -0.096 pp | +13.3% | No |
| Dec 2018 | $40.7bn | 0.146% | -0.101 pp | +1.1% | No |
| Nov 2018 | $46.5bn | 0.154% | -0.092 pp | +15.4% | No |
| Oct 2018 | $45.7bn | 0.155% | -0.091 pp | +12.9% | No |
| Sep 2018 | $50.5bn | 0.161% | -0.085 pp | +21.4% | No |
| Aug 2018 | $48.7bn | 0.157% | -0.089 pp | +16.9% | No |
| Jul 2018 | $47.3bn | 0.276% | +0.030 pp | +13.1% | Yes |
| Jun 2018 | $42.6bn | 0.259% | +0.012 pp | +1.0% | Yes |
| May 2018 | $42.8bn | 0.260% | +0.014 pp | +1.5% | Yes |
| Apr 2018 | $40.5bn | 0.249% | +0.003 pp | -4.5% | Yes |
| Mar 2018 | $38.6bn | 0.237% | -0.010 pp | -9.6% | No |
| Feb 2018 | $39.5bn | 0.237% | -0.010 pp | -7.4% | No |
| Jan 2018 | $43.2bn | 0.246% | +0.000 pp | +0.0% | No |
Its weight is estimated market cap divided by the total estimated market cap of matched S&P 500 members for the month. This is not an official float-adjusted S&P index weight.