In this video from Monday's Investor Beat, host Alison Southwick and Motley Fool analysts Taylor Muckerman and Morgan Housel take a look at the biggest stories facing investors from the market today.

Though the day started off positively for the Dow, things turned downward after home sales data came in lower than expected. This continues the pain of last week, where the Dow fell 3.5%, the worst weekly tumble since 2011. In the lead story on today's Investor Beat, Taylor and Morgan look at the market bloodbath over the past week and discuss whether this is just a blip, the beginning of a major downturn, or even worth worrying about. They also discuss how investors should react when things start heading south.

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