What is a 'Hammer' A hammer is a price pattern in candlestick charting that occurs when a security trades significantly lower than its opening, but rallies later in the day to close either above or near its opening price.
To Cancel an Order Online: 1  Sign in to your account. 2  Under the My Best Buyâ¢ heading, select Orders. 3  Click on the order number and select the items you'd like to cancel. Note: Items cannot be canceled online if they have already been processed for shipping, home delivery or store pickup.
Summary. 1  Most but not all online orders can be cancelled, for example bespoke or personalised items can't be. 2  Your right to cancel an order starts the moment you place your order and doesn't end until 14 days from the day you receive your goods. 3  Return your order as soon as possible - but don't forget to get proof of postage.