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.
When you cancel an order, Amazon automatically updates the order status in the buyer's Amazon.ca account and sends an e-mail notification to the buyer. If you have shipped the order, you can notify the buyer and ask the buyer to return the item to you: If the shipment was confirmed, you can issue a refund.