Our senior V.P. of research explains the "confluence of factors" that tripped up stocks
Schaeffer's Senior V.P. of Research Todd Salamone stopped by CNBC's Squawk Box this morning, where he explained some of the factors that contributed to last week's brutal stock market sell-off -- including how options mechanics may have played a role heading into October expiration.
To watch Todd's full remarks, click on the video player below. And to stay up to date with all of his market insights as they break, make sure you're on the list for free email delivery of Todd's weekly Monday Morning Outlook column.