25% is not likely as there are measures in US now to stop if the stock plummettoo much. but it will not stop if the stock plunge day after day. guys, do take this great opportunity to learn! Learn how to market behave before the correction/crash , how it is in the midst of the event, and how it recover, or how long, what were the economic backgroud etc, collecting those important data and experience! well, that is the fundation of future speculation.