TORONTO, May 31, 2021 /CNW/ – Horizons ETFs Management (Canada) Inc. (“ Horizons ETFs”) is announcing that the index methodology for the North American Psychedelics Index (the “Index”), is being changed effective June 7, 2021. The Index, which is owned and operated by Horizons ETFs and calculated by Solactive AG, is designed to provide a measure of the performance of North American publicly-listed…