A2 Milk remains in influential MSCI index, for now 12 May, 2021 01:20 AM 4 minutes to read A2 Milk has remained in the influential MSCI index. Photo / NZ Herald A2 Milk has remained in the MSCI index, which is used extensively by exchange traded funds to weight their investments, but its days of being part of the influential benchmark may be numbered. The alternative milk company's shares have languished in recent months after peaking at $21.50 last August as its profitability became increasingly challenged, giving rise to speculation that it may be removed from the index. Read More The index is reviewed quarterly - in February, May, August and November.