It's time to look at key levels of the S&P 500 for buy and sell signals. 

The S&P500 has been volatile lately. Following the big sell-off from 2188.00 resistance, we are taking a more neutral stance as price was unable to stage a strong recovery last week. We will stay in "hurry up and wait mode" for now and wait for a long signal from support a short signal from resistance.

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How the market reacts to this week's Federal Reserve meeting and apparent terrorist attacks in New York, New Jersey and Minnessota could be telling. 

This article is commentary by an independent contributor. At the time of publication, the author held no positions in the stocks mentioned.