陆先生是位炒股大户，６月初随着股市入“牛”，他清理家底后，便将在家中“沉睡”的３０余万元存单、国债等有价单证全部交给一商业银行保管，并办妥了循环质押手续，一次性签订了贷款合同，这样陆先生就可根据股市行情、新股申购时间表，随时、分次循环地取得贷款。他认为，? Mr. Lu was a major investor in stocks. In early June, as the stock market entered “cattle,” he cleared his family and handed over all the valuable documents such as certificates of deposit of more than 300,000 yuan, treasury bills and other “slumber” at home to a commercial bank for safekeeping. Circled pledge procedures, signed a one-time loan contract, so Mr. Lu can according to the stock market, the IPO subscription timetable, at any time, sub-sub-cycle to obtain loans. he thinks,?