US markets (^DJI, ^IXIC, ^GSPC) open the first trading day of September lower as equities enter into a month that is historically a bad month for stocks as seasonality and election pressures take hold of investor narratives.

Madison Mills and Brad Smith monitor stock movements after Tuesday's opening bell.

For more expert insight and the latest market action, click here to watch this full episode of Morning Brief.

This post was written by Luke Carberry Mogan.