Short selling, or 'going short', is a technique whereby traders sell shares or debt instruments ('securities') which they do not own at the time of entering into the agreement to sell, in the hope that the price of the securities will fall, enabling the short seller to buy the shares back at a cheaper price than the sale price thereby making a profit. It is in the interests of short sellers for the price of securities to fall, and it is partly for this reason that the practice has been subject to regulatory restrictions since the global financial crisis of 2008. The two principal methods of short selling are: • covered short selling—this method of short selling occurs when the short seller borrows, or agrees to borrow, the number of securities that are being sold short from a holder of the securities, so that the short seller can deliver them to a buyer at settlement. The holder in turn receives lending fees from the borrower, and • uncovered (naked) short selling–this occurs