Global stock indices are increasingly concentrated in the portfolios of a few US tech giants. MSCI data shows that as of the end of September, Nvidia's weighting in the MSCI ACWI reached 5.11%, approaching the approximately 5.2% weighting of the Japa

2026-10-07

Global stock indices are increasingly concentrated in the portfolios of a few US tech giants. MSCI data shows that as of the end of September, Nvidia's weighting in the MSCI ACWI reached 5.11%, approaching the approximately 5.2% weighting of the Japanese market; at the end of April, Nvidia's weighting was only 4.91%. The MSCI ACWI covers large and mid-cap stocks in developed and emerging markets worldwide, representing approximately 85% of global investable stock opportunities.