If anyone was wondering why gold and silver sold off at the end of the day, the CME changed the margin requirements to benefit the shorts. HSBC and JPM are short rough 1.5yrs of silver production apparently and god knows what the short on gold is. There could be a massive squeeze still to come.....

http://www.zerohedge.com/article/pm-selloff-reason-cme-raise-margin-requirements-silver-5000-6500

http://www.zerohedge.com/article/when-banks-dont-results-cme-just-changes-rules-full-revised-silver-margin-schedule