A huge gap lower overnight finding initial support at 4515 for an attempt to recover into 4541 before persistent selling. A choppy stabilization phase above 4506 during the middle session is unable to hold onto any gains and strong selling continues through the Cover Signal line with a brief look back at 4506 touching 4472 just prior to the close.
Positive earnings from Amazon take the market higher after the close.
Cover Signal at 4500
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