50-day moving average: Why it's a useful tool for investors

with the Dow falling more than 550 points. Yu Finance's Jared Blickry joining us now with the trading day takeaways. Jared, >> thank you.We got to talk about the 50-day moving average. Continuation of the conversation we had late last week and today was a finally a fail for certain markets and let's take a look at the S&P 500 because as you might remember, it has been in play. This is the S&P 500 year to date.I'm going to plug our 50-day moving average over it. And you can see, hard to see here, but we just ...