Observatory · observe first
Corning Inc.
GLW · United States · Electronic Components · matched S&P 500 member. Follow its market-weight contribution.
Historical time machine
Historical observation
20182026
Universe weight
0.091%
12M weight contribution
-0.064 pp
3M weight contribution
-0.047 pp
12M price return
+15.1%
Share of matched S&P 500 members
Monthly observations through Sep 2018
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 |
|---|---|---|---|---|---|
| Sep 2018 | $28.6bn | 0.091% | -0.064 pp | +15.1% | No |
| Aug 2018 | $27.1bn | 0.088% | -0.067 pp | +9.3% | No |
| Jul 2018 | $26.9bn | 0.157% | +0.002 pp | +7.6% | Yes |
| Jun 2018 | $22.8bn | 0.139% | -0.016 pp | -10.7% | No |
| May 2018 | $22.6bn | 0.137% | -0.018 pp | -11.9% | No |
| Apr 2018 | $22.4bn | 0.138% | -0.017 pp | -12.9% | No |
| Mar 2018 | $23.9bn | 0.147% | -0.008 pp | -10.2% | No |
| Feb 2018 | $24.9bn | 0.149% | -0.005 pp | -6.3% | No |
| Jan 2018 | $27.1bn | 0.155% | +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.