All three of the major indexes (^DJI,^GSPC, ^IXIC) opened slightly lower on Monday, September 30, the last trading day of the third quarter.

Morning Brief anchors Seana Smith and Madison Mills along with Yahoo Finance Markets and Data Editor Jared Blikre recap the action at the open and what has happened in the quarter.

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

This post was written by Stephanie Mikulich.