| http://www.w3.org/ns/prov#value | - North American stocks surged to record highs on Wednesday after the Fed???s decision not to begin scaling back stimulus, only to give it all back and then some Friday, though volumes were notably lower due in in part to what traders refer to as ???quadruple witching,??? when index futures, index options, individual stock options and individual stock futures all expire on the same day.
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