Observatory · observe first

Follow the allocation change

Matched S&P 500 members → sector → industry → sub-industry → company. Each step uses the same percentage points.

Historical time machine
Historical observation
20182026
Universe›Consumer Discretionary›Broadline Retail›Broadline Retail
Broadline Retail · weight
0.47%
Industry change · 12M
+0.10 pp
Broadline Retail · contribution
+0.102 pp
Company participation
100%
of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

Dec 2020 · sorted by absolute contribution to 12-month change

CompanyCountryMarket capUniverse weight3M contribution12M contribution12M price returnAbove 6M weight average
Amazon →
AMZN
United States$81.7bn0.331%+0.330 pp+0.106 pp+76.3%Yes
eBay Inc. →
EBAY
United States$34.6bn0.140%+0.140 pp-0.004 pp+41.2%Yes

Company contributions use weights among matched S&P 500 members and add through each level without rescaling. Companies without matched shares and prices are omitted. These observations do not establish official index weights or actual fund flows.