Why SD dropped another 2% after hour

I do not understand why SD dropped another 1.75% after hour after dropping 5% during the day. Is there bad news from the company or bad oil/gas news from Asian-Pacific market. Thanks...

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I understand the 5% drop during the day -caren- 给 caren 发送悄悄话 (202 bytes) () 07/11/2011 postreply 19:05:04

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