good material thanks https://www.nudm.org/stmap_647b0.html?exelon.levitra.dipyridamole.loratadine prevacid pharmacy2us Buffett sometimes gets SEC permission to amass big positionsquietly so he need not worry about copycat investors. One ofBerkshire's top holdings, a $13 billion stake in InternationalBusiness Machines Corp, was built in this manner.