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Crude oil and the S&P 500 hits highs together the week of 4/29/2011 and hit lows together the week of 10/7/2011.  Is a break below support by Crude Oil going to impact the 500 index?

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The above Crude Oil/500 chart reflects key highs and lows in both products have taken place a few times together over the past few years (see post here)  

The CRX index is breaking support of late (see CRX 18% decline here) -   A few times in the past when the CRX index and Crude Oil were falling together, they impacted the 500 index. 

How The Recent Decline In Stocks Looks "Eerily" Like Major Bear Markets Of The Past